The Crazy American Girl

(1977)

Writer

Superman

(1978)

Screenplay

Superman II

(1980)

Screenplay

Superman III

(1983)

Screenplay

Santa Claus: The Movie

(1985)

Story

Takedown

(2000)

Author

Superman II: The Richard Donner Cut

(2006)

Screenplay

You Will Believe: The Cinematic Saga of Superman

(2006)

Self