Sebastian Stan (born August 13, 1982) is a Romanian-born American actor. He gained recognition for his role as Bucky Barnes / Winter Soldier in the Marvel Cinematic Universe media franchise, beginning with the film Captain America: The First Avenger (2011), and serving as a lead actor in the Disney+ miniseries The Falcon and the Winter Soldier (2021) and the film Thunderbolts*( 2025). On television, Stan played Carter Baizen in Gossip Girl (2007–2010) and the Mad Hatter in Once Upon a Time (2012), and starred in the miniseries Political Animals (2012).
Did you know that Sebastian Stan's passion for acting began after his mother enrolled him in acting classes at a local performing arts camp in New York?
Stan's most defining career moment is undoubtedly his portrayal of Bucky Barnes / Winter Soldier in the Marvel Cinematic Universe. This role not only garnered him global recognition but also solidified his place as a versatile actor capable of carrying complex character arcs across a major franchise, from supporting roles to lead in Disney+ series and upcoming films.
Sebastian Stan's lasting cultural impact stems from his ability to bring depth and nuance to often morally ambiguous characters, particularly his iconic anti-hero in the MCU. He is recognized for his versatility, seamlessly transitioning between blockbuster action, dramatic roles, and comedic performances.
Also known as: S. Stan, Seb Stan