Full Credits for What If...?.
Cast[]
Main Cast[]
- Jeffrey Wright as Uatu/Watcher (Seasons 1-2)
- Hayley Atwell as Peggy Carter/Captain Carter (Seasons 1-2) / Peggy Carter (Season 2)
- Sebastian Stan as Bucky Barnes (Seasons 1-2) / Bucky Barnes/Winter Soldier (Season 1) / Bucky Barnes/Winter Soldier (Season 2) / Bucky Barnes/Winter Soldier (Season 2)
- Dominic Cooper as Howard Stark (Season 1)
- Stanley Tucci as Abraham Erskine (Season 1)
- Toby Jones as Arnim Zola (Season 1) / Arnim Zola (Season 1)
- Bradley Whitford as John Flynn (Season 1)
- Ross Marquand as Johann Schmidt/Red Skull (Season 1) / Ultron (Season 1) / W.E.R.N.E.R. (Season 2)
- Darrell Hammond as Roeder (Season 1)
- Chadwick Boseman as T'Challa/Star-Lord (Season 1) / T'Challa/Black Panther (Season 1) / T'Challa/Black Panther (Season 1)
- Michael Rooker as Yondu (Season 1) / Yondu (Season 2)
- Josh Brolin as Thanos (Season 1) / Thanos (Season 2)
- Benicio del Toro as Taneleer Tivan/Collector (Season 1)
- Kurt Russell as Ego (Season 1) / Ego (Season 2)
- Ophelia Lovibond as Carina (Season 1)
- Carrie Coon as Proxima Midnight (Season 1)
- Tom Vaughan-Lawlor as Ebony Maw (Season 1) / Ebony Maw (Season 1)
- Karen Gillan as Nebula (Season 1) / Nebula (Season 1) / Nebula (Season 2)
- Djimon Hounsou as Korath the Pursuer (Season 1)
- John Kani as T'Chaka (Season 1) / T'Chaka (Season 1)
- Sean Gunn as Kraglin Obfonteri (Season 1)
- Chris Sullivan as Taserface (Season 1)
- Seth Green as Howard the Duck (Season 1) / Howard the Duck (Season 1) / Howard the Duck (Season 2)
- Danai Gurira as Okoye (Season 1) / Okoye (Season 1)
- Samuel L. Jackson as Nick Fury (Season 1) / Nick Fury (Season 1) / Nick Fury (Season 1) / Nick Fury (Season 2)
- Jeremy Renner as Clint Barton/Hawkeye (Season 1) / Clint Barton/Hawkeye (Season 1) / Clint Barton/Hawkeye (Season 1) / Clint Barton/Hawkeye (Season 2)
- Mark Ruffalo as Bruce Banner/Hulk (Season 1) / Bruce Banner/Hulk (Season 1) / Bruce Banner/Hulk (Season 2) / Bruce Banner/Hulk (Season 2)
- Tom Hiddleston as Loki (Season 1) / Loki (Season 1) / Loki (Season 2)
- Clark Gregg as Phil Coulson (Season 1) / Phil Coulson (Season 1)
- Jaimie Alexander as Sif (Season 1) / Sif (Season 1)
- Frank Grillo as Brock Rumlow (Season 1) / Brock Rumlow (Season 1) / Brock Rumlow (Seasons 1-2)
- Lake Bell as Natasha Romanoff/Black Widow (Season 1) / Natasha Romanoff/Black Widow (Season 1) / Natasha Romanoff/Black Widow (Seasons 1-2) / Natasha Romanoff/Black Widow (Season 2)
- Mick Wingert as Tony Stark/Iron Man (Season 1) / Tony Stark (Season 1) / Tony Stark/Iron Man (Season 1) / Tony Stark/Iron Man (Season 1) / Tony Stark/Iron Man (Seasons 1-2) / Tony Stark/Iron Man (Season 2) / Tony Stark (Season 2)
- Benedict Cumberbatch as Stephen Strange/Strange Supreme (Seasons 1-2) / Stephen Strange/Doctor Strange (Season 1)
- Rachel McAdams as Christine Palmer (Season 1)
- Benedict Wong as Wong (Season 1)
- Tilda Swinton as Ancient One (Season 1)
- Ike Amadi as O'Bengh/Cagliostro (Season 1)
- Leslie Bibb as Christine Everhart (Season 1) / Christine Everhart (Season 1)
- Paul Bettany as Vision (Season 1) / J.A.R.V.I.S. (Season 1)
- Evangeline Lilly as Hope van Dyne/Wasp (Season 1)
- Paul Rudd as Scott Lang/Ant-Man (Season 1) / Scott Lang/Ant-Man (Season 2)
- Jon Favreau as Happy Hogan (Season 1) / Happy Hogan (Season 1) / Happy Hogan/Freak (Season 2) / Harold "The Happy" Hogan/Freak (Season 2)
- Emily VanCamp as Sharon Carter (Season 1)
- David Dastmalchian as Kurt Goreshter (Season 1)
- Hudson Thames as Peter Parker/Spider-Man (Season 1)
- Michael B. Jordan as Erik Stevens/Killmonger (Season 1)
- Angela Bassett as Ramonda (Season 1)
- Andy Serkis as Ulysses Klaue (Season 1)
- Don Cheadle as James Rhodes (Season 1)
- Chris Hemsworth as Thor (Season 1) / Thor (Season 2) / Thor (Season 2) / Thor (Season 2)
- Natalie Portman as Jane Foster (Season 1)
- Kat Dennings as Darcy Lewis (Season 1) / Darcy Lewis (Season 2)
- Jeff Goldblum as En Dwi Gast/Grandmaster (Season 1) / En Dwi Gast/Grandmaster (Season 2)
- Cobie Smulders as Maria Hill (Season 1) / Maria Hill (Season 2)
- Taika Waititi as Korg (Season 1) / Korg (Season 2) / Korg (Season 2)
- Alexandra Daniels as Carol Danvers/Captain Marvel (Season 1) / Carol Danvers/Captain Marvel (Season 1)
- Rachel House as Topaz (Season 1) / Topaz (Season 2)
- Josh Keaton as Steve Rogers/Hydra Stomper (Seasons 1-2) / Steve Rogers/Captain America (Season 1) / Steve Rogers (Season 1) / Steve Rogers/Captain America (Season 2) / Steve Rogers/Captain America/Rogers Hood (Season 2)
- Georges St-Pierre as Georges Batroc/Batroc the Leaper (Season 1)
- Fred Tatasciore as Drax (Season 1) / Corvus Glaive (Season 1) / Volstagg (Season 1) / Drax (Season 1) / Additional Voices (Seasons 1-2) / Groot (Season 2) / Drax the Destroyer (Season 2)
- Jude Law as Yon-Rogg (Season 2)
- Peter Serafinowicz as Garthan Saal (Season 2)
- Julianne Grossman as Irani Rael/Nova Prime (Season 2)
- Michael Douglas as Hank Pym/Yellowjacket (Season 1) / Hank Pym/Ant-Man (Season 2)
- John Slattery as Howard Stark (Season 2)
- Laurence Fishburne as Bill Foster/Goliath (Season 2)
- Atandwa Kani as T'Chaka/Black Panther (Season 2)
- Madeleine McGraw as Hope van Dyne (Season 2)
- Mace Montgomery Miskel as Peter Quill (Season 2)
- Keri Tombazian as Mar-Vell (Season 2)
- Gene Farber as Vasily Karpov (Season 2)
- Sam Rockwell as Justin Hammer (Season 2)
- Isaac Robinson-Smith as Brick (Season 1)/ Sergei (Season 2) / Additional Voices (Season 2)
- Matthew Waterson as Rusty Vyacheslav (Season 2)
- Tessa Thompson as Brunnhilde/Valkyrie (Season 2)
- Cynthia McWilliams as Gamora (Seasons 1-2)
- Rachel Weisz as Melina Vostokoff (Season 2)
- Elizabeth Olsen as Wanda Maximoff/Scarlet Witch (Season 2)
- Devery Jacobs as Kahhori (Season 2)
- Kiawentiio as Wáhta (Season 2)
- Jeremy White as Atahraks (Season 2) / Additional Voices (Season 2)
- Gabriel Romero as Rodrigo Gonzolo (Season 2)
- Carolina Ravassa as Queen Isabella I of Spain (Season 2)
- Clancy Brown as Surtur (Season 1) / Surtur (Season 2)
- Jeff Bergman as Odin (Season 2) / Odin (Season 2)
- Cate Blanchett as Hela (Season 2) / Hela (Season 2) / Queen Hela (Season 2)
- Feodor Chin as Xu Wenwu (Season 2) / Xu Wenwu (Season 2)
- Lauren Tom as Jiayi (Season 2)
- Idris Elba as Heimdall (Season 2)
- Michael Hagiwara as Shunyuan (Season 2)
Special Guest Stars[]
- Neal McDonough as Dum Dum Dugan (Season 1)
- Mike McGill as Thaddeus Ross (Season 1) / Thaddeus Ross (Season 1)
- Brian T. Delaney as Peter Quill (Season 1)
- Tanya Wheelock as K (Season 1)
- Ozioma Akagha as Shuri (Season 1)
- Bernard White as Councilman Singh (Season 2)
- Liv Zamora as Young Hela (Season 2)
Recurring Cast[]
- Kimberly Bailey as Additional Voices (Seasons 1-2)
- June Christopher as Additional Voices (Seasons 1-2)
- Terri Douglas as Additional Voices (Seasons 1-2)
- Robin Atkin Downes as Additional Voices (Seasons 1-2)
- Piotr Michael as Additional Voices (Seasons 1-2)
- Dave B. Mitchell as Additional Voices (Seasons 1-2)
- Arthur Ortiz as Additional Voices (Season 1)
- Michael Ralph as Additional Voices (Seasons 1-2)
- Helen Sadler as Additional Voices (Seasons 1-2)
- Kari Wahlgren as Additional Voices (Season 1)
- Shondalia White as Additional Voices (Seasons 1-2)
- Debra Wilson as Additional Voices (Seasons 1-2)
- Matthew Wood as Additional Voices (Seasons 1-2)
- Shelby Young as Additional Voices (Seasons 1-2)
- David Collins as Additional Voices (Season 2)
Minor Cast[]
- Chuck Billy as Additional Voices (Season 1)
- Dave Boat as Additional Voices (Season 1)
- Don Fullilove as Additional Voices (Season 1)
- Ashley Peldon as Additional Voices (Season 1)
- Justin Shaw as Additional Voices (Season 1)
- Shane Sweet as Additional Voices (Season 1)
- Matt Lowe as Additional Voices (Season 2)
- Melanie Minichino as Additional Voices (Season 2)
- Secunda Wood as Additional Voices (Season 2)
Full Cast[]
Episode 1.01: What If... Captain Carter Were The First Avenger?[]
- Jeffrey Wright as The Watcher
- Hayley Atwell as Peggy Carter / Captain Carter
- Josh Keaton as Skinny Steve Rogers
- Samuel L. Jackson as Nick Fury
- Jeremy Renner as Clint Barton / Hawkeye
- Stanley Tucci as Dr. Erskine
- Dominic Cooper as Howard Stark
- Bradley Whitford as Colonel Flynn
- Ross Marquand as Johann Schmidt / Red Skull
- Neal McDonough as Dum Dum Dugan
- Sebastian Stan as Bucky Barnes
- Toby Jones as Arnim Zola
- Darrell Hammond as Nazi General
- Isaac Robinson-Smith as Brick
- Andreas Beckett as Additional Voices
- David Cowgill as Additional Voices
- Terri Douglas as Additional Voices
- Matthew Lindquist as Additional Voices
- Arthur Ortiz as Additional Voices
- Helen Sadler as Additional Voices
- Shane Sweet as Additional Voices
- Matthew Wood as Additional Voices
- Unknown actor as Church Keeper (uncredited)
Episode 1.02: What If... T'Challa Became a Star-Lord?[]
- Jeffrey Wright as The Watcher
- Chadwick Boseman as Star Lord T'Challa
- Karen Gillan as Nebula
- Michael Rooker as Yondu
- Djimon Hounsou as Korath
- John Kani as T'Chaka
- Josh Brolin as Thanos
- Benicio del Toro as The Collector
- Kurt Russell as Ego
- Sean Gunn as Kraglin
- Chris Sullivan as Taserface
- Seth Green as Howard the Duck
- Danai Gurira as Okoye
- Ophelia Lovibond as Carina
- Carrie Coon as Proxima Midnight
- Tom Vaughan-Lawlor as Ebony Maw
- Fred Tatasciore as Drax & Corvus Glaive
- Maddix Robinson as Young T'Challa
- Brian T. Delaney as Peter Quill
- Tanya Wheelock as Female Ravager
- Dave Boat as Additional Voices
- Terri Douglas as Additional Voices
- Don Fullilove as Additional Voices
- Piotr Michael as Additional Voices
- Michael Ralph as Additional Voices
- David Sobolov as Additional Voices
- Debra Wilson as Additional Voices
- Matthew Wood as Additional Voices
- Michael Woodley as Additional Voices
Episode 1.03: What If... The World Lost Its Mightiest Heroes?[]
- Jeffrey Wright as The Watcher
- Samuel L. Jackson as Nick Fury
- Michael Douglas as Hank Pym / Yellow Jacket
- Lake Bell as Natasha Romanoff / Black Widow
- Mick Wingert as Tony Stark / Iron Man
- Clark Gregg as Agent Coulson
- Frank Grillo as Brock Rumlow
- Jeremy Renner as Clint Barton / Hawkeye
- Stephanie Panisello as Betty Ross
- Mark Ruffalo as Bruce Banner / Hulk
- Tom Hiddleston as Loki
- Mike McGill as General Ross
- Jaimie Alexander as Lady Sif
- Alexandra Daniels as Carol Danvers / Captain Marvel
- Terri Douglas as Additional Voices
- Elisa Gabrielli as Additional Voices
- Piotr Michael as Additional Voices
- David Michie as Additional Voices
- Arthur Ortiz as Additional Voices
- Shane Sweet as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
- Unknown actor as Jack Rollins (uncredited)
Episode 1.04: What If... Doctor Strange Lost His Heart Instead of His Hands?[]
- Jeffrey Wright as The Watcher
- Benedict Cumberbatch as Doctor Strange
- Rachel McAdams as Christine Palmer
- Benedict Wong as Wong
- Tilda Swinton as The Ancient One
- Ike Amadi as O'Bengh
- Leslie Bibb as Christine Everhart
- Chuck Billy as Additional Voices
- Robin Atkin Downes as Additional Voices
- Fred Tatasciore as Additional Voices
Episode 1.05: What If... Zombies?![]
- Jeffrey Wright as The Watcher
- Mark Ruffalo as Bruce Banner / Hulk
- Chadwick Boseman as T'Challa / Black Panther
- Paul Bettany as Vision
- Sebastian Stan as Bucky Barnes
- Evangeline Lilly as Hope Van Dyne / Wasp
- Paul Rudd as Scott Lang / Ant-Man
- Jon Favreau as Happy Hogan / Zombie Happy
- Danai Gurira as Okoye
- Emily VanCamp as Sharon Carter
- David Dastmalchian as Kurt
- Hudson Thames as Peter Parker / Spider-Man
- Tom Vaughan-Lawlor as Ebony Maw
- Josh Keaton as Steve Rogers / Captain America
- Ashley Adler as Additional Voices
- Piotr Michael as Additional Voices
- Fred Tatasciore as Additional Voices
- Michael Ralph as Additional Voices
- Robin Atkin Downes as Additional Voices
- Matthew Wood as Additional Voices
- Matt Yang King as Additional Voices
- Mike Vaughn as Additional Voices
- Terri Douglas as Additional Voices
- Debra Wilson as Additional Voices
- Kari Wahlgren as Additional Voices
- Ashley Peldon as Additional Voices
- Dave Boat as Additional Voices
Episode 1.06: What If... Killmonger Rescued Tony Stark?[]
- Jeffrey Wright as The Watcher
- Michael B. Jordan as Killmonger
- Jon Favreau as Happy Hogan
- Chadwick Boseman as T'Challa / Black Panther
- Angela Bassett as Queen Ramonda
- Danai Gurira as Okoye
- Andy Serkis as Ulysses Klaue
- Don Cheadle as Rhodey
- Paul Bettany as Jarvis
- Leslie Bibb as Christine Everhart
- John Kani as T'Chaka
- Mick Wingert as Tony Stark / Iron Man
- Kiff VandenHeuvel as Obadiah Stane
- Beth Hoyt as Pepper Potts
- Mike McGill as General Ross
- Ozioma Akagha as Shuri
- Kimberly Bailey as Additional Voices
- June Christopher as Additional Voices
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Don Fullilove as Additional Voices
- Khanya Mkhize as Additional Voices
- Michael Ralph as Additional Voices
- Justin Shaw as Additional Voices
- Debra Wilson as Additional Voices
- Matthew Wood as Additional Voices
- Unknown actor as Jimmy Ryan (uncredited)
- Unknown actor as Adam Pratt (uncredited)
- Unknown actress as Ramirez (uncredited)
- Unknown actor as Harry Whittington (uncredited)
- Unknown actor as Watson (uncredited)
Episode 1.07: What If... Thor Were an Only Child?[]
- Jeffrey Wright as The Watcher
- Chris Hemsworth as Thor
- Natalie Portman as Jane Foster
- Tom Hiddleston as Loki
- Kat Dennings as Darcy
- Samuel L. Jackson as Nick Fury
- Jeff Goldblum as Grandmaster
- Cobie Smulders as Maria Hill
- Clark Gregg as Agent Coulson
- Frank Grillo as Brock Rumlow
- Taika Waititi as Korg
- Karen Gillan as Nebula
- Jaimie Alexander as Lady Sif
- Seth Green as Howard the Duck
- Alexandra Daniels as Carol Danvers / Captain Marvel
- Rachel House as Topaz
- Josette Eales as Frigga
- David Chen as Hogun
- Fred Tatasciore as Volstagg & Drax
- Max Mittelman as Fandral
- Clancy Brown as Surtur
- Kimberly Bailey as Additional Voices
- David Jordan Chen as Additional Voices
- June Christopher as Additional Voices
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Max Mittelman as Additional Voices
- Michael Ralph as Additional Voices
- Kaitlyn Robrock as Additional Voices
- Fred Tatasciore as Additional Voices
- Kari Wahlgren as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
Episode 1.08: What If... Ultron Won?[]
- Jeffrey Wright as The Watcher
- Jeremy Renner as Clint Barton / Hawkeye
- Benedict Cumberbatch as Doctor Strange / Strange Supreme
- Lake Bell as Natasha Romanoff / Black Widow
- Toby Jones as Arnim Zola
- Ross Marquand as Ultron / Sub-Ultron Sentries
- Josh Keaton as Steve Rogers / Captain America
- Mick Wingert as Tony Stark / Iron Man
- Alexandra Daniels as Carol Danvers / Captain Marvel
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Piotr Michael as Additional Voices
- Dave B. Mitchell as Additional Voices
- Arthur Ortiz as Additional Voices
- Ashley Peldon as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
Episode 1.09: What If... The Watcher Broke His Oath?[]
- Jeffrey Wright as The Watcher
- Samuel L. Jackson as Nick Fury
- Hayley Atwell as Peggy Carter / Captain Carter
- Lake Bell as Natasha Romanoff / Black Widow
- Frank Grillo as Brock Rumlow
- Georges St-Pierre as Batroc
- Chadwick Boseman as Star-Lord T'Challa
- Brian T. Delaney as Peter Quill
- Mick Wingert as Tony Stark / Iron Man
- Cynthia McWilliams as Gamora
- Michael B. Jordan as Killmonger
- Ozioma Akagha as Shuri
- Chris Hemsworth as Thor
- Benedict Cumberbatch as Doctor Strange/Strange-Supreme
- Ross Marquand as Ultron
- Toby Jones as Arnim Zola
- Tom Hiddleston as Loki
- Kurt Russell as Ego
- Chuck Billy as Additional Voices
- Arthur Ortiz as Additional Voices
- Helen Sadler as Additional Voices
- Justin Shaw as Additional Voices
- Kari Wahlgren as Additional Voices
- Matthew Wood as Additional Voices
- Robin Atkin Downes as Additional Voices
- Fred Tatasciore as Additional Voices
- Shondalia White as Additional Voices
- Terri Douglas as Additional Voices
Episode 2.01: What If... Nebula Joined the Nova Corps?[]
- Jeffrey Wright as The Watcher
- Karen Gillan as Nebula
- Jude Law as Yon-Rogg
- Michael Rooker as Yondu Udonta
- Seth Green as Howard the Duck
- Taika Waititi as Korg
- Peter Serafinowicz as Garthan Saal
- Julianne Grossman as Nova Prime / Irani Rael
- Fred Tatasciore as Groot / Drax the Destroyer (uncredited)
- David Collins as Additional Voices
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Melanie Minichino as Additional Voices
- Dave B. Mitchell as Additional Voices
- Helen Sadler as Additional Voices
- Matthew Wood as Additional Voices
- Secunda Wood as Additional Voices
- Unknown actress as Mindy (uncredited)
Episode 2.02: What If... Peter Quill Attacked Earth's Mightiest Heroes?[]
- Jeffrey Wright as The Watcher
- Michael Douglas as Dr. Hank Pym / Ant-Man
- Hayley Atwell as Peggy Carter
- John Slattery as Howard Stark
- Kurt Russell as Ego / Ego's Computer / Ego's Army
- Chris Hemsworth as Thor
- Laurence Fishburne as Dr. Bill Foster / Goliath
- Sebastian Stan as Bucky Barnes / The Winter Soldier
- Atandwa Kani as King T'Chaka / Black Panther
- Madeleine McGraw as Hope van Dyne
- Mace Montgomery Miskel as Peter Quill
- Keri Tombazian as Dr. Wendy Lawson / Mar-Vell
- Gene Farber as Karpov / Russian Handler
- Terri Douglas as Additional Voices
- Arif Kinchen as Additional Voices
- Matt Lowe as Additional Voices
- Scott Menville as Additional Voices
- Helen Sadler as Additional Voices
- Fred Tatasciore as Additional Voices
- Debra Wilson as Additional Voices
- Matthew Wood as Additional Voices
- Unknown actor as Daniels (uncredited)
Episode 2.03: What If... Happy Hogan Saved Christmas?[]
- Jeffrey Wright as The Watcher
- Jon Favreau as Happy Hogan / Happy "The Freak" Hogan
- Kat Dennings as Darcy Lewis
- Cobie Smulders as Director Maria Hill
- Sam Rockwell as Justin Hammer
- Chris Hemsworth as Thor
- Mark Ruffalo as Bruce Banner
- Jeremy Renner as Clint Barton / Hawkeye
- Mick Wingert as Tony Stark / Iron Man
- Lake Bell as Natasha Romanoff / Black Widow
- Josh Keaton as Steve Rogers / Captain America
- Isaac Robinson-Smith as Sergei / Additional Voices
- Matthew Waterson as Rusty
- Ross Marquand as Werner
- Anastasia Baranova as Additional Voices
- June Christopher as Additional Voices
- David Collins as Additional Voices
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Toby Larsen as Additional Voices
- Luke Lowe as Additional Voices
- Lucy Lowe as Additional Voices
- Maggie Lowe as Additional Voices
- David B. Mitchell as Additional Voices
- Matthew Wood as Additional Voices
Episode 2.04: What If... Iron Man Crashed Into the Grandmaster?[]
- Jeffrey Wright as The Watcher
- Mick Wingert as Tony Stark / Iron Man
- Jeff Goldblum as Grandmaster
- Tessa Thompson as Valkyrie
- Taika Waititi as Korg
- Rachel House as Topaz
- Josh Brolin as Thanos
- Cynthia McWilliams as Gamora
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Melanie Minichino as Additional Voices
- Dave B. Mitchell as Additional Voices
- Michael Ralph as Additional Voices
- Helen Sadler as Additional Voices
- Matthew Wood as Additional Voices
- Secunda Wood as Additional Voices
Episode 2.05: What If... Captain Carter Fought the Hydra Stomper?[]
- Jeffrey Wright as The Watcher
- Hayley Atwell as Peggy Carter / Captain Carter
- Lake Bell as Natasha Romanoff / Black Widow
- Samuel L. Jackson as Nick Fury
- Frank Grillo as Brock Rumlow
- Josh Keaton as Steve Rogers / The Hydra Stomper
- Sebastian Stan as Bucky Barnes
- Rachel Weisz as Melina
- Elizabeth Olsen as Wanda-Merlin
- Bernard White as Councilman Singh
- Kimberly Bailey as Additional Voices
- Jon Bailey as Additional Voices
- Terri Douglas as Additional Voices
- Kim Mai Guest as Additional Voices
- Scott Menville as Additional Voices
- Piotr Michael as Additional Voices
- Salli Saffioti as Additional Voices
- Shondalia White as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
Episode 2.06: What If... Kahhori Reshaped the World?[]
- Jeffrey Wright as The Watcher
- Devery Jacobs as Kahhori
- Kiawentiio as Wahta
- Jeremy White as Atahraks / Additional Voices
- Gabriel Romero as Conquistador Gonzolo
- Benedict Cumberbatch as Doctor Strange
- Carolina Ravassa as Queen Isabella of Spain
- Clancy Brown as Surtur
- Jeff Bergman as King Odin
- Iotsi'Tsanien Goodleaf as Additional Voices
- Jeremy White as Additional Voices
- Ránikonhri:io Lazare as Additional Voices
- Sahawisó:ko' Arquette as Additional Voices
- Tehotsenhathe Lazare as Additional Voices
- Tekahné:kake Stacey as Additional Voices
- Alexa Iekenhnhenhá:wi Montour as Additional Voices
- Kahentinéhshon Alfred as Additional Voices
- Richard Miro as Additional Voices
- Christian Rodrigo as Additional Voices
- Jordi Caballero as Additional Voices
- Christopher Lee Parson as Additional Voices
- Ieronhienhawi Tatum McComber as Additional Voices
- Carlos Reig-Plaza as Additional Voices
- Terri Douglas as Additional Voices
- Unknown actor as Luis (uncredited)
Episode 2.07: What If... Hela Found the Ten Rings?[]
- Jeffrey Wright as The Watcher
- Cate Blanchett as Hela
- Jeff Bergman as Odin
- Feodor Chin as Xu Wenwu
- Lauren Tom as Jiayi
- Idris Elba as Heimdall
- Michael Hagiwara as Shunyuan
- Liv Zamora as Young Hela
- Vic Chao as Additional Voices
- David Collins as Additional Voices
- Terri Douglas as Additional Voices
- Karen Huie as Additional Voices
- Paul Kwo as Additional Voices
- James Taku Leung as Additional Voices
- Michael Ralph as Additional Voices
- Fred Tatasciore as Additional Voices
- Matthew Wood as Additional Voices
- Unknown actor as Morris (uncredited)
Episode 2.08: What If... The Avengers Assembled in 1602?[]
- Jeffrey Wright as The Watcher
- Hayley Atwell as Peggy Carter / Captain Carter
- Samuel L. Jackson as Sir Fury
- Elizabeth Olsen as Wanda Merlin
- Chris Hemsworth as King Thor Odinson
- Tom Hiddleston as Loki
- Mark Ruffalo as Bruce Banner / Hulk
- Jon Favreau as Sir Harold "The Happy" Hogan / Happy "The Freak" Hogan
- Mick Wingert as Tony Stark
- Josh Keaton as Steve Rogers / Rogers Hood
- Paul Rudd as Scott Lang / Ant-Man
- Sebastian Stan as Bucky Barnes
- Benedict Cumberbatch as Doctor Strange
- Lake Bell as Natasha Romanoff
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Matt Lowe as Additional Voices
- Marcella Lentz-Pope as Additional Voices
- Helen Sadler as Additional Voices
- Fred Tatasciore as Additional Voices
- Debra Wilson as Additional Voices
- Matthew Wood as Additional Voices
- Cate Blanchett as Hela (uncredited)
Episode 2.09: What If... Strange Supreme Intervened?[]
- Jeffrey Wright as The Watcher
- Hayley Atwell as Peggy Carter / Captain Carter
- Benedict Cumberbatch as Strange Supreme / Demon Strange
- Devery Jacobs as Kahhori
- Cate Blanchett as Hela
- Feodor Chin as Wenwu
- Clancy Brown as Surtur
- Josh Keaton as Steve Rogers
- Stanley Tucci as Dr. Erskine
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Matt Lowe as Additional Voices
- Marcella Lentz-Pope as Additional Voices
- Helen Sadler as Additional Voices
- Fred Tatasciore as Additional Voices
- Debra Wilson as Additional Voices
- Matthew Wood as Additional Voices
Episode 3.01: What If... The Hulk Fought the Mech Avengers?[]
- Jeffrey Wright as The Watcher
- Anthony Mackie as Sam Wilson
- Mark Ruffalo as Bruce Banner / Hulk / Mega-Hulk
- Teyonah Parris as Monica Rambeau
- Sebastian Stan as Bucky Barnes
- David Harbour as Alexei Shostakov
- Simu Liu as Shang-Chi
- Oscar Isaac as Moon Knight
- Kari Wahlgren as Melina Vostkoff
- Brittany Adebumola as Nakia
- Ozioma Akagha as Adolescent Girl
- June Christopher as Additional Voices
- David Collins as Additional Voices
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Alexandra Smith as Additional Voices
- Matthew Wood as Additional Voices
- Unknown actress as Sarah Wilson (uncredited)
Episode 3.02: What If... Agatha Went to Hollywood?[]
- Jeffrey Wright as The Watcher
- Kathryn Hahn as Agatha Harkness
- Kumail Nanjiani as Kingo
- Dominic Cooper as Howard Stark
- James D'Arcy as Edwin Jarvis
- David Kaye as Arishem
- Terri Douglas as Additional Voices
- Piotr Michael as Additional Voices
- Kaitlyn Robrock as Additional Voices
- Fred Tatasciore as Additional Voices
- Kari Wahlgren as Additional Voices
- Matthew Wolf as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
Episode 3.03: What If... The Red Guardian Stopped the Winter Soldier?[]
- Jeffrey Wright as The Watcher
- David Harbour as Alexei Shostakov / Red Guardian
- Sebastian Stan as Bucky Barnes / Winter Soldier
- Laurence Fishburne as Bill Foster / Goliath
- America Ferrera as Ranger Morales
- Piotr Michael as General Dreykov
- Gene Farber as Vasily Karpov
- Kiff VandenHeuvel as Obadiah Stane / The Rook
- Robin Atkin Downes as Additional Voices
- Terri Douglas as Additional Voices
- Melanie Minichino as Additional Voices
- Dave B. Mitchell as Additional Voices
- Toby Larsen as Additional Voices
- Luke Lowe as Additional Voices
- Lucy Lowe as Additional Voices
- Maggie Lowe as Additional Voices
- Zeno Robinson as Additional Voices
- Kaitlyn Robrock as Additional Voices
- Tanya Wheelock as Additional Voices
- Matthew Wood as Additional Voices
- Secunda Wood as Additional Voices
- Tanya Wheelock as Lucy (uncredited)
Episode 3.04: What If... Howard the Duck Got Hitched?[]
- Jeffrey Wright as The Watcher
- Kat Dennings as Darcy
- Seth Green as Howard the Duck
- Samuel L. Jackson as Nick Fury
- Chris Hemsworth as Thor
- Tom Hiddleston as Frost Giant Loki
- Clark Gregg as Agent Phil Coulson
- Michael Rooker as Yondu
- Matt Friend as The Grandmaster
- Josh Brolin as Thanos
- Rachel House as Topaz
- Tom Vaughan-Lawlor as Ebony Maw
- Jared Butler as Kaecilius
- Steve French as Malekith
- Andrew Morgado as Laufey
- Kari Wahlgren as Carina
- Darin De Paul as Zeus
- Hamish Parkinson as Beerbot 5000
- Terri Douglas as Additional Voices
- Robin Atkin Downes as Additional Voices
- Piotr Michael as Additional Voices
- Dave B. Mitchell as Additional Voices
- Akai Robinson as Additional Voices
- Fred Tatasciore as Additional Voices
- Debra Wilson as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
- Unknown actress as Bev Switzler (uncredited)
Episode 3.05: What If... The Emergence Destroyed the Earth?[]
- Jeffrey Wright as The Watcher
- Dominique Thorne as Riri Williams
- Alejandro Saab as Quentin Beck
- Emily VanCamp as Sharon Carter
- Tessa Thompson as Valkyrie
- Michelle Wong as Ying Nan
- DC Douglas as The Incarnate
- Darin De Paul as The Executioner
- Kenna Ramsey as Okoye
- David Chen as Wong
- Jason Isaacs as The Eminence
- David Chen as Additional Voices
- Terri Douglas as Additional Voices
- Matt Yang King as Additional Voices
- Andrew Morgado as Additional Voices
- Kari Wahlgren as Additional Voices
- Debra Wilson as Additional Voices
- Shelby Young as Additional Voices
Episode 3.06: What If... 1872?[]
- Jeffrey Wright as The Watcher
- Simu Liu as Shang-Chi
- Hailee Steinfeld as Kate Bishop
- Wyatt Russell as John Walker
- Meng'er Zhang as Xialing
- Walton Goggins as Sonny Burch
- Allen Deng as Kwai Jun-Fan
- Jason Isaacs as The Eminence
- Terri Douglas as Additional Voices
- Matt Yang King as Additional Voices
- Dave B. Mitchell as Additional Voices
- Andrew Morgado as Additional Voices
- Fred Tatasciore as Additional Voices
- Debra Wilson as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
Episode 3.07: What If... The Watcher Disappeared?[]
- Jeffrey Wright as The Watcher
- Hayley Atwell as Captain Carter/Peggy Carter
- Jason Isaacs as The Eminence
- Devery Jacobs as Kahhori
- Alison Sealy-Smith as Storm
- Natasha Lyonne as Byrdie
- Karen Gillan as Nebula
- Kat Dennings as Darcy
- Seth Green as Howard The Duck
- Taika Waititi as Korg
- Ross Marquand as Infinity Ultron
- Fred Tatasciore as Groot
- DC Douglas as The Incarnate
- Darin De Paul as The Executioner
- Alexandra Daniels as Carol Danvers / Captain Marvel
- Terri Douglas as Additional Voices
- Dave B. Mitchell as Additional Voices
- Andrew Morgado as Additional Voices
- Helen Sadler as Additional Voices
- Matthew Wolf as Additional Voices
- Secunda Wood as Additional Voices
- Matthew Wood as Additional Voices
- Shelby Young as Additional Voices
Episode 3.08: What If... What If?[]
- Jeffrey Wright as The Watcher / Uatu
- Hayley Atwell as Captain Carter/Peggy Carter
- Jason Isaacs as The Eminence
- Devery Jacobs as Kahhori
- Alison Sealy-Smith as Storm
- Natasha Lyonne as Byrdie
- Ross Marquand as Infinity Ultron
- DC Douglas as The Incarnate
- Darin De Paul as The Executioner
- Terri Douglas as Additional Voices
- Dave B. Mitchell as Additional Voices
- Andrew Morgado as Additional Voices
- Helen Sadler as Additional Voices
- Fred Tatasciore as Additional Voices
- Matthew Wolf as Additional Voices
- Matthew Wood as Additional Voices
- Secunda Wood as Additional Voices
- Shelby Young as Additional Voices
Crew[]
Creators[]
Directors[]
- Bryan Andrews
- Stephan Franck (Seasons 2-3)
Writers[]
- A.C. Bradley
- Matthew Chauncey
- Ryan Little (Seasons 2-3)
- Bryan Andrews (Season 3)
Executive Producers[]
- A.C. Bradley
- Bryan Andrews
- Victoria Alonso (Seasons 1-2)
- Louis D'Esposito
- Kevin Feige
- Brad Winderbaum
- Dana Vasquez-Eberhardt (Season 3)
Co-Executive Producers[]
- Matthew Chauncey (Seasons 2-3)
Producers[]
- Carrie Wassenaar
- Danielle Costa (Seasons 2-3)
- Dana Vasquez-Eberhardt (Season 2)
- Alex Scharf (Season 3)
Co-Producers[]
- Danielle Costa (Season 1)
- David J. Grant (Season 1)
Executive Story Editor[]
- Matthew Chauncey (Season 3)
Story Editor[]
- Matthew Chauncey (Seasons 1-2)
Additional Line Producers[]
- Andrew Egiziano (Season 1)
Consulting Producers[]
- Sarah Halley Finn (Seasons 1-2)
Associate Producers[]
- Simona Paparelli Wolf (Season 1)
- Alex Scharf (Season 2)
- Samantha Grant (Season 3)
- Harry Butler (Season 3)
Head of Technologies[]
Series Music[]
- Laura Karpman
- Nora Kroll-Rosenbaum (Seasons 2-3)
Series Film Editing[]
- Graham Fisher
- Joel Fisher
- Anton Capaldo-Smith (Seasons 2-3)
Series Production Design[]
Series Casting[]
- Sarah Halley Finn, CSA (Season 1-2)
- Jason B. Stamey, CSA (Season 1-2)
- Meredith Layne, CSA (Season 2-3)
Script Coordinators[]
Visual Development[]
- Alejandro Moreno
- Alex Chen
- Carlos Quijada
- Caroline Ng
- Christian Bouyer
- Cortney Armitage
- Erick Sosa
- Jerry Gaylord
- Joey Vazquez
- Joshua James Shaw
- Joshua Swaby
- Justin Kim
- Léa Geas
- Nadja Bonacina
- Pedro Cavalho
- Peter Mai
- Ryan Lang
- Ryan Meinerding
- So-mi An
- Terry Dodson
- Won Sul Hyun
Storyboard Artists[]
Visual Effects[]
- David Lebensfeld (Visual Effects Supervisor)
- Grant Miller (Visual Effects Supervisor)
- Sonia Marques (Visual Effects Executive Producer)
- Cynthia Latour (Visual Effects Coordinator)
Editors[]
Series Production Management[]
- Magdiela Hermida Duhamel (Production Supervisor)
Series Sound Department[]
- Mac Smith (Supervising Sound Designer)
Series Animation Department[]
- Stephan Franck (Head of Animation)
- Joshua Beveridge (Head of Character Animation)
- Tegan Laing (Senior Animator)
- Emily Delion (Animation Coordinator)
- Amelia Vidal (Character Designer)
- Simon Dunsdon (Head of Layout and Previs)
Series Casting Department[]
- Djinous Rowling (Casting Associate)
- Jordyn Gregory (Casting Assistant)
- Melissa Encinas (Casting Coordinator)
- Terri Douglas (ADR voice casting)
Production Manager[]
Post-Production Team[]
- Jim Velasco (Post-Production Coordinator)
Other Crew[]
- AJ Vargas (Visual Development Manager)
- Dana Vasquez-Eberhardt (VP of Animation)
- Simona Paparelli (Junior Executive)
- Cecelia King (Mohawk Language Consultant)
- Doug George (Historical Consultant)