George Sidney Director Stewart Granger Andre Moreau Actor Eleanor Parker Lenore Actor Janet Leigh Aline de Gavrillac de Bourbon Actor Mel Ferrer Noel, Marquis de Maynes Actor Henry Wilcoxon Chevalier de Chabrillaine Actor Nina Foch Marie Antoinette Actor Richard Anderson Philippe de Valmorin (Marcus Brutus) Actor Robert Coote Gaston Binet Actor Lewis Stone Georges de Valmorin Actor Elisabeth Risdon Isabelle de Valmorin Actor Howard Freeman Michael Vanneau Actor Curtis Cooksey Lawyer Fabian Actor John Dehner Doutreval of Dijon Actor John Litel Dr. Dubuque Actor Jonathan Cott Sergeant Actor Dan Foster Pierrot Actor Owen McGiveney Punchinello Actor Hope Landin Mme. Frying Pan Actor Frank Mitchell Harlequin Actor Douglas Dumbrille Assembly President Actor Talbot Jennings Screenwriter George Froeschel Screenwriter Ronald Millar Screenwriter Carey Wilson Producer Charles Rosher Cinematographer James E. Newcom Film Editing Victor Young Original Music Cedric Gibbons Art Director Hans Peters Art Director Richard Pefferle Set Decoration Edwin B. Willis Set Decoration Gile Steele Costume Design