Sebastian Stan portrayed Bucky Barnes in Captain America: The First Avenger and his alter ego the Winter Soldier in Captain America: The Winter Soldier, Ant-Man and Captain America: Civil War, and will reprise the role in the upcoming Avengers: Infinity War.
He also voiced the character in the video game Captain America: Super Soldier.
He was interviewed for the documentaries Marvel Studios: Assembling a Universe and United We Stand, Divided We Fall: The Making of 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 prepared his portrayal of Bucky Barnes researching the World War II era, and his portrayal of Winter Soldier researching the Cold War era.