Andrea Orsini
Tyrone Power
Cesare Borgia
Orson Welles
Camilla Verano
Wanda Hendrix
Angela Borgia
Marina Berti
Mona Zoppo
Katina Paxinou
Mario Belli
Everett Sloane
Marc Antonio Verano
Felix Aylmer
Art Dealer (uncredited)
Eduardo Ciannelli
Borgia Henchman (uncredited)
Eugene Deckers
(uncredited)
Antonella Lualdi
Editor
Barbara McLean
Director
Henry King
Original Music Composer
Alfred Newman
Producer
Sol C. Siegel
Writer
Milton Krims
Set Decoration
Elso Valentini
Sound
Charles Hisserich
Art Direction
Lyle R. Wheeler
Costume Design
Vittorio Nino Novarese
Novel
Samuel Shellabarger
Assistant Director
Joseph C. Behm
Roger Heman Sr.
Mark-Lee Kirk
Director of Photography
Leon Shamroy