Claudette Colbert (Elizabeth (MacDonald) Hamilton)
Orson Welles (John MacDonald/Erich Kessler)
George Brent (Larry Hamilton)
Lucile Watson (Aunt Jessie)
Richard Long (Drew)
Libby Taylor (Maid)
Evan Thomas (Ship Doctor)
Louis Austin (Receptionist)
Irving Pichel (Commentator)
Bill Dyer (Fraternity Boy)
Helen Gerald (Girlfriend)
Betty Greco
Margaret Campbell
Buster Phelps (Fraternity boy)
Milt Kibbee (Postman)
Jessie Grayson (Servant)
Anne Howard
Lane Chandler (Technician)
Boyd Irwin (Dr. Callan)
Charles D. Brown (Immigration Officer)
Jesse Graves (Servant)
Thomas Lockyear (Englishman on ship)
Thomas Louden (Englishman on Ship)
Anne Loos (Freckle-Faced Nurse)
John Wengraf (Dr. Ludwig)
Douglas Wood (Charles Hamilton)
Ian Wolfe (Norton)
Tom Wirick (Pudge)
Lane Watson (Hamilton's secretary)
Henry Hastings (Butler)
Natalie Wood (Margaret Hamilton)
Joyce MacKenzie (Cherry)
Sonny Howe (Brian)
Michael Ward (Baby Drew)