Sebastian Stan is a Romanian-American actor. He gained recognition for his role as Bucky Barnes / Winter Soldier in the Marvel Cinematic Universe media franchise, beginning with 2011's Captain America: The First Avenger. He went on to play the part in the films Captain America: The Winter Soldier (2014), Captain America: Civil War (2016), Avengers: Infinity War (2018), Avengers: Endgame (2019); and the miniseries The Falcon and the Winter Soldier (2021).

On television, Stan has played Carter Baizen in Gossip Girl, Prince Jack Benjamin in Kings, Jefferson in Once Upon a Time, and T.J. Hammond in Political Animals. The latter earned him a nomination for the Critics' Choice Television Award for Best Supporting Actor in a Movie/Miniseries. In 2022, he received critical acclaim for playing Tommy Lee in the Hulu miniseries Pam & Tommy earning a Primetime Emmy Award for Outstanding Lead Actor in a Limited Series or Movie nomination.

In films, he co-starred in Jonathan Demme's comedy-drama Ricki and the Flash, Ridley Scott's science fiction film The Martian (both 2015), and Steven Soderbergh's Logan Lucky (2017). He has since become a leading man starring in the biopic I, Tonya (2017), and the thriller Fresh (2022).