Ben Foster, born October 29, 1980, in Boston, Massachusetts, is an American actor. He is best known for playing the role of Angel in the movie X-Men: The Last Stand.

Foster was born to a Jewish American family; he has a younger brother, Jon, who has also become an actor.

At the age of 16, Foster dropped out of high school and moved to Los Angeles. In 1996, he appeared in the television series Flash Forward. In the following years, Foster was predominately cast in guest roles on various television shows.

In 2001, Foster acted his first big screen role in Get Over It. He also had a recurring role as Russell Corwin (22 episodes) in the HBO Original Series, Six Feet Under.

After he made 11:14 and The Punisher, Foster acted his first leading role in Hostage at the side of Bruce Willis, Kevin Pollak and Michelle Horn.In 2006, Foster appeared in X-Men: The Last Stand as the comic-book hero Angel/Warren Worthington III.