James Young was a fight choreographer in Marvel One-Shot: Agent Carter, Captain America: The Winter Soldier and Captain America: Civil War, a fight coordinator in Guardians of the Galaxy, Guardians of the Galaxy Vol. 2, Avengers: Endgame and Black Widow and an assistant fight coordinator in Avengers: Age of Ultron and Avengers: Infinity War. He was also a stunt double for Sebastian Stan in Captain America: The Winter Soldier and Captain America: Civil War and Robert Downey, Jr. in Captain America: Civil War. He was interviewed for the Assembled episode The Making of Black Widow.