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