Directed by Henry Hathaway Written by Story: George du Maurier John Nathaniel Raphael Screenplay: John Meehan Edwin Justus Mayer Waldemar Young Constance Collier Vincent Lawrence Produced by Louis D. Lighton Gary Cooper as Peter Ibbetson Ann Harding as Mary, Duchess of Towers John Halliday as The Duke of Towers Ida Lupino as Agnes Douglass Dumbrille as Colonel Forsythe Virginia Weidler as Mimsey (Mary, age 6) Dickie Moore as Gogo (Peter, age 8) Doris Lloyd as Mrs. Dorian Gilbert Emery as Wilkins Donald Meek as Mr. Slade Christian Rub as Major Duquesnois Elsa Buchanan as Madame Pasquier Marguerite Namara (uncredited) as Madame Ginghi Leonid Kinskey (uncredited) as Quarrelsome Prisoner