Robert Siodmak Director Deanna Durbin Jackie Lamont, Abigail Martin Actor Gene Kelly Robert Manette Actor Richard Whorf Simon Fenimore Actor Dean Harens Lt. Charles Mason Actor Gladys George Valerie De Merode Actor Gale Sondergaard Mrs. Manette Actor David Bruce Gerald Tyler Actor Herman J. Mankiewicz Screenwriter Felix Jackson Producer Frank Shaw Associate Producer Elwood Bredell Cinematographer Ted J. Kent Film Editing Robert Clatworthy Art Director John B. Goodman Art Director Hans J. Salter Original Music