Walter Lang Director Don Ameche Phil O'Neil (Credits), Phil 'Mac' McNeil (in Film) Actor Betty Grable Kathryn 'Kay' Latimer, also called Miss Adams Actor Bob Cummings Jeffrey 'Jeff' Boulton Actor Carole Landis Barbara Latimer, aka Miss Sears Actor Charlotte Greenwood Aunt Susan 'Sue' Latimer Actor Jack Haley Jack O'Hara Actor Stephen Powys Writer George Seaton Writer Lynn Starling Writer Vincent Lawrence Writer Brown Holmes Writer Darryl F Zanuck Executive Producer Harry Joe Brown Producer Ralph Rainger Original Music Allen M. Davey Cinematographer J. Peverell Marley Cinematographer Leon Shamroy Cinematographer Walter Thompson Film Editing Richard Day Art Director Wiard Ihnen Art Director Thomas Little Set Decoration Travis Banton Costume Design