Rebecca Alie Romijn is an American actress and former fashion model. She is best known for her role as Mystique in the X-Men films and Joan from The Punisher (2004), both from Marvel Comics. She also had a recurring role as Alexis Meade on the television series Ugly Betty. During her marriage to actor John Stamos, she was often credited as Rebecca Romijn-Stamos and legally still uses this name.