Edmond T. Gréville Director Donald Wolfit Actor John Justin Nap Rumbold Actor Barbara Laage Jaqueline Delbois Actor Maurice J. Wilson Screenwriter, Writer Ernest Dudley Screenwriter, Writer Jacques Lemare Cinematographer Daniel White Music Jean Wiener Music Jean Ravel Film Editing René-Christian Forget Sound Recordist Gustave Raulet Cameraman Fred D'Orengiani Production Manager Eugène Piérac Production Design Jacques Boutinot Photographer