Christopher Walken (born March 31, 1943) is an American stage and screen actor. He has appeared in more than 100 movies and television shows, including Annie Hall, The Deer Hunter, Sleepy Hollow, Brainstorm, The Dead Zone, A View to a Kill, At Close Range, King of New York, Batman Returns, True Romance, Catch Me If You Can, Wayne's World 2, Pulp Fiction, and Wedding Crashers, as well as music videos by recording artists such as Madonna and Fatboy Slim.

Walken's films have grossed more than $1.8 billion in the United States. He has also played the main role in the Shakespeare plays Hamlet, Macbeth, Romeo and Juliet, and Coriolanus. He has several times guest-hosted Saturday Night Live, his most notable role being Bruce Dickinson in the "More Cowbell" sketch.

Walken debuted as a film director and script writer with the short (five-minute) film Popcorn Shrimp in 2001. He also wrote and acted the main role in a play about Elvis Presley titled Him in 1995.