Tyrone Power

Andrea Orsini

Orson Welles

Cesare Borgia

Wanda Hendrix

Camilla Verano

Marina Berti

Angela Borgia

Katina Paxinou

Mona Zoppo

Everett Sloane

Mario Belli

Felix Aylmer

Marc Antonio Verano

Eduardo Ciannelli

Art Dealer (uncredited)

Eugene Deckers

Borgia Henchman (uncredited)

Antonella Lualdi

(uncredited)

Henry King

Director

Milton Krims

Writer

Samuel Shellabarger

Novel

Mark-Lee Kirk

Art Direction

Lyle R. Wheeler

Art Direction

Elso Valentini

Set Decoration

Vittorio Nino Novarese

Costume Design

Joseph C. Behm

Assistant Director

Roger Heman Sr.

Sound

Charles Hisserich

Sound

Sol C. Siegel

Producer

Leon Shamroy

Director of Photography

Barbara McLean

Editor

Alfred Newman

Original Music Composer