Sebastian Stan portrayed Bucky Barnes/Winter Soldier in Captain America: The First Avenger, Captain America: The Winter Soldier, Ant-Man, Captain America: Civil War, Black Panther, Avengers: Infinity War, and Avengers: Endgame, and will reprise the role in The Falcon and the Winter Soldier.
He also voiced the character in the video game Captain America: Super Soldier.
He will also voice an alternate version of the character in What If...?.
- Together with Chris Evans, Anthony Mackie, Elizabeth Olsen and Jeremy Renner, he was nominated for a Teen Choice Award for Choice Movie: Chemistry for his work on Captain America: Civil War.
- Together with Chris Evans, Robert Downey, Jr., Scarlett Johansson, Anthony Mackie, Don Cheadle, Jeremy Renner and Chadwick Boseman, he was nominated for a Kids' Choice Award for #SQUAD for his work on Captain America: Civil War.
- Sebastian Stan first auditioned for the role of Captain America but was given the role of Bucky Barnes instead.
- Sebastian Stan previously worked with Michael Peña and Benedict Wong in The Martian.
- Sebastian Stan previously worked with Natalie Portman in Black Swan.
- Sebastian Stan previously worked with Julianna Guill in The Apparition.
- Sebastian Stan worked again with Bobby Cannavale in I, Tonya.
- Sebastian Stan will work again with Samuel L. Jackson and William Hurt in The Last Full Measure.
- Sebastian Stan will work again with Tom Holland in The Devil All the Time.
- Sebastian Stan will work again with Lupita Nyong'o in 355.
- Sebastian Stan shares his birthday with John Slattery and Eme Ikwuakor.
- Sebastian Stan and Tom Pelphrey were classmates while attending the Mason Gross School of the Arts at Rutgers University.