Demetrius
Victor Mature
Messalina
Susan Hayward
Glycon
William Marshall
Gladiator (uncredited)
Woody Strode
Peter
Michael Rennie
Lucia
Debra Paget
Paula
Anne Bancroft
Caligula
Jay Robinson
Strabo
Ernest Borgnine
Dardenius
Richard Egan
Claudius
Barry Jones
Cassius Chaerea
Charles Evans
Director
Delmer Daves
Original Music Composer
Franz Waxman
Screenplay
Philip Dunne
Director of Photography
Milton Krasner
Characters
Lloyd C. Douglas
Editor
Robert Fritch
Set Decoration
Walter M. Scott
Producer
Frank Ross
Dorothy Spencer
Art Direction
George W. Davis
Lyle R. Wheeler
Paul S. Fox