He was a stunt performer in the Agents of S.H.I.E.L.D. episodes Turn, Turn, Turn, Nothing Personal, ...Ye Who Enter Here, One Door Closes and The Dirty Half Dozen and The Defenders episode Worst Behavior, Take Shelter and The Defenders, an assistant stunt coordinator in the Luke Cage episodes If It Ain't Rough, It Ain't Right, For Pete's Sake, The Main Ingredient, The Creator, Can't Front on Me and They Reminisce Over You (T.R.O.Y.) and a fight double in the Luke Cage episode Can't Front on Me.
- Seth Austin is one of the actors who has portrayed multiple characters in the Marvel Cinematic Universe.
- Seth Austin was a stunt performer in the video game Spider-Man.