Distribution
Ronald Adam
Court President
Tatyana Pavlova
Grieving Mother
Silvana Mangano
(uncredited)
Valentina Cortese
Zoraida
Berry Kroeger
Alexandre Dumas, Sr.
Harriet Medin
(uncredited)
Rosina Galli
(uncredited)
Peter Trent
Dr. Mesmer's Friend
Nancy Guild
Marie Antoinette / Lorenza
Frank Latimore
Gilbert de Rezel
Bruce Belfrage
Crown Prosecutor
Tamara Shayne
Maria Balsamo
Ludmilla Dudarova
(uncredited)
Milly Vitale
(uncredited)
Akim Tamiroff
Gitano
Margot Grahame
Mme. du Barry
Gregory Gaye
Chambord / Monk (as Gregory Gay)
Robert Atkins
King Louis XV
Leonardo Scavino
Gaston / Beniamino Balsamo (as Leon Lenoir)
Orson Welles
Joseph Balsamo aka Count Cagliostro
Stephen Bekassy
Viscount de Montagne
Raymond Burr
Alexandre Dumas, Jr.