Sebastian Stan Was born on August 13th 1983, is a Romanian American actor, known for his role as James "Bucky" Barnes / Winter Soldier in Captain America: The First Avenger and Captain America: The Winter Soldier. Sebastian Stan played The Mad Hatter/Jefferson on the ABC's fantasy drama Once Upon a Time, Prince Jack Benjamin on Kings and Carter Baizen on Gossip Girl. Sebastian Stan also appeared in Black Swan.
