Sebastian Stan is best known for his role as The Winter Soldier in the Captain America/Avengers film series and TV miniseries The Falcon and the Winter Soldier. His extensive film credits include I Tonya, Black Swan (with Stagedoor alum Natalie Portman), and The Martian. On television, Stan portrayed Carter Baizen on Gossip Girl, Prince Jack Benjamin on Kings, and The Mad Hatter/Jefferson on Once Upon a Time. He made his Broadway debut in 2007 as Kent in Talk Radio and returned to Broadway in 2013 to star in the Roundabout revival of Picnic. In 2022, he was nominated for a Primetime Emmy award for Best Actor in the TV miniseries Pam & Tommy. Next up? Captain America: Brave New World in 2024.