(born August 13
) is a Romanian-born American-raised actor who is best known for his television roles as Carter Baizen
on The CW
teen drama series Gossip Girl
, Jonathan "Jack" Benjamin on the NBC
serial drama series Kings
, and portrayed Jefferson/Mad Hatter
on the ABC
's fantasy drama Once Upon a Time
. He also starred as Thomas "T.J." Hammond on the USA Network
drama miniseries Political Animals
He played James "Bucky" Barnes/The Winter Soldier in the 2011 film Captain America: The First Avenger, based on the Marvel Comics character. Stan reprised the role in the 2014 sequel Captain America: The Winter Soldier and Ant-Man, and in the 2016 sequel Captain America: Civil War, and will reprise his role in Avengers: Infinity War.
- Sebastian Stan was uncredited for his cameo in the post-credit scene in Ant-Man.