| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adrian | Crew | Costume & Make-Up | Costume Designer |
 Bobby Connolly | Crew | Crew | Choreographer |
 Cedric Gibbons | Crew | Art | Art Direction |
Conrad A. Nervig | Crew | Editing | Editor |
 Douglas Shearer | Crew | Sound | Sound Re-Recording Mixer |
 Edward Buzzell | Crew | Directing | Director |
 Edwin B. Willis | Crew | Art | Set Decoration |
Frank Partos | Crew | Writing | Screenplay |
George Oppenheimer | Crew | Writing | Writer |
 Harry Ruskin | Crew | Writing | Writer |
Herbert Fields | Crew | Writing | Screenplay |
 Jack Cummings | Crew | Production | Producer |
Ray June | Crew | Camera | Director of Photography |
Sammy Lee | Crew | Crew | Choreographer |
William Tummel | Crew | Directing | Assistant Director |
 Harry Warren | Crew | Sound | Songs |
Walter Strohm | Crew | Directing | Assistant Director |
Gus Kahn | Crew | Writing | Lyricist |
 Alberto Morin | Cast | Actor | Clerk (uncredited) |
Andy Iona | Cast | Andy Iona (uncredited) | |
 Ann Morriss | Cast | Actress | Gale Brewster |
 Bert Roach | Cast | Actor | Grayson's Party Guest (uncredited) |
 Bess Flowers | Cast | Actress | Grayson's Party Guest (uncredited) |
 Betty Jaynes | Cast | Actress | Singer (uncredited) |
Bud Linn | Cast | Harpo (uncredited) | |
Christina Welles | Cast | Minor Role (uncredited) | |
Claire Owen | Cast | Actress | First Telephone Operator (uncredited) |
 Clarence Kolb | Cast | Actor | Mr. Horace Grayson |
Clarice Sherry | Cast | Third Passenger (uncredited) | |
 Cliff Clark | Cast | First Detective | |
Diane Cook | Cast | Actress | Second Passenger (uncredited) |
 Douglas McPhail | Cast | Actor | Bing Crosby Impersonator (uncredited) |
 Eddie 'Rochester' Anderson | Cast | Actor | Washington |
 Edgar Dearing | Cast | Actor | Jailer |
 Edward Gargan | Cast | Actor | Second Detective |
 Eleanor Powell | Cast | Actress | Miss Dorothy 'Dot' March |
 George Burns | Cast | Actor | Joe Duffy |
 Gracie Allen | Cast | Actress | Millicent 'Millie' De Grasse |
 Helen MacKellar | Cast | Actress | Middle Telephone Operator (uncredited) |
 James Millican | Cast | Actor | Lifeguard on Ship (uncredited) |
 Jo Ann Sayers | Cast | Actress | Nurse |
Jo Stafford | Cast | Member of The Pied Pipers (uncredited) | |
Jon Dodson | Cast | Chico (uncredited) | |
Kealohu Holt | Cast | Native Dancing Girl | |
 Ken Darby | Cast | Actor | Groucho 1 (uncredited) |
Laura Treadwell | Cast | Mrs. Brady, Elderly Guest (uncredited) | |
 Martha Tibbetts | Cast | Actress | Last Telephone Operator (uncredited) |
 Phillip Terry | Cast | Actor | Nightclub Bandleader (uncredited) |
Rad Robinson | Cast | Actor | Groucho 2 (uncredited) |
 Rita Johnson | Cast | Actress | Cecelia Grayson |
 Robert Young | Cast | Actor | Brooks Mason / George Smith |
 Roy Atwell | Cast | Actor | Bearded Man on Ship (uncredited) |
 Russell Hicks | Cast | Actor | Mr. Clifford Jones (uncredited) |
 Ruth Hussey | Cast | Actress | Eve |
 Sig Ruman | Cast | Actor | Psychiatrist |
 Tom Neal | Cast | Actor | Ambulance Intern (uncredited) |
 William Newell | Cast | Actor | Second Interne |
William Wagner | Cast | Pallbearer (uncredited) | |
 Willie Fung | Cast | Actor | Wong |
 Edward LeSaint | Cast | Actor | Minister (uncredited) |
| Person | Type | Job | Role(s) |
