The Moon Is Blue

William Holden Donald Gresham

David Niven David Slater

Maggie McNamara Patty O'Neill

Tom Tully Michael O'Neill

Dawn Addams Cynthia Slater

Fortunio Bonanova Television Performer

Gregory Ratoff Taxi Driver

Johannes Heesters Tourist (uncredited)

Hardy Krüger Tourist (uncredited)

Johanna Matz Tourist (uncredited)