Irving Pichel Director Merle Oberon Ruby Actor Paul Lukas Sir Meyer Isaacson Actor George Brent Nigel Armine Actor Charles Korvin Mahoud Baroudi Actor Lenore Ulric Marie Actor Arnold Moss Ahmed Effendi Actor Ludwig Stössel Dr. Mueller Actor Gavin Muir Smith-Parrington Actor Ilka Gruning Frau Mueller Actor John Eldredge Don Gibbs Actor Andre Charlot Prof. Dupont Actor Suzanne Cloutier Yvonne Dupont Actor Mary Young Mrs. McCormick Actor Aubrey Mather Dr. Harding Actor Egon Brecher Ibrahim Actor Reginald Sheffield Wickersham Actor Edward Small Producer