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

Dickie Moore as Gogo

Doris Lloyd as Mrs. Dorian

Gilbert Emery as Wilkins

Donald Meek as Mr. Slade

Christian Rub as Major Duquesnois

Elsa Buchanan as Madame Pasquier

Jack Adair as Guard (uncredited)

Robert Adair as Prisoner (uncredited)

Stanley Andrews as Judge (uncredited)

Martha Bamattre as Woman at the Paris Museum (uncredited)

Ambrose Barker as Clerk (uncredited)

Theresa Maxwell Conover as Sister of Mercy (uncredited)

Marcelle Corday as Maid (uncredited)

Harry Cording as Guard (uncredited)

Blanche Craig as The Countess (uncredited)

Adrienne D'Ambricourt as Nun (uncredited)

Leonid Kinskey as Prisoner (uncredited)

Cyril McLaglen as Captain of Guards (uncredited)

Clive Morgan as Clerk (uncredited)

Marguerite Namara as Madame Ginghi (uncredited)

Martha O'Driscoll as Girl (uncredited)

Gerald Rogers as Warden (uncredited)

Colin Tapley as Clerk (uncredited)