| Person | Type | Job | Role(s) |
|---|---|---|---|
 Cary Grant | Crew | Crew | Thanks |
 Charles D. Hall | Crew | Art | Art Direction |
Corey Ford | Crew | Writing | Screenplay |
Eddie Moran | Crew | Writing | Screenplay |
Edward B. Powell | Crew | Sound | Music |
 Hal Roach | Crew | Crew | Presenter |
 Hugo Friedhofer | Crew | Sound | Music |
 Irene | Crew | Costume & Make-Up | Costume Design |
Jack Jevne | Crew | Writing | Screenplay |
 Marvin Hatley | Crew | Sound | Music Supervisor |
Milton H. Bren | Crew | Production | Producer |
 Norbert Brodine | Crew | Camera | Director of Photography |
 Norman Z. McLeod | Crew | Directing | Director |
Omar Kiam | Crew | Costume & Make-Up | Costume Design |
Thorne Smith | Crew | Writing | Novel |
Warren B. Delaplain | Crew | Sound | Sound |
William H. Terhune | Crew | Editing | Editor |
William Randall | Crew | Sound | Sound |
William Stevens | Crew | Art | Set Decoration |
Ernest Schrapps | Crew | Costume & Make-Up | Wardrobe Supervisor |
 Alan Mowbray | Cast | Actor | Wilkins - Topper's Butler |
 Alexander D'Arcy | Cast | Actor | Baron de Rossi |
 Armand Kaliz | Cast | Actor | Hotel Clerk |
 Ben Taggart | Cast | Actor | Policeman in Bank (uncredited) |
 Bess Flowers | Cast | Actress | Lady in Casino (uncredited) |
 Billie Burke | Cast | Actress | Mrs. Clara Topper |
 Bobby Barber | Cast | Actor | Hotel Staffer Moving Bed (uncredited) |
Cary Grant | Cast | Actor | George Kerby (archive footage) |
 Constance Bennett | Cast | Actress | Marion Kerby |
 Eddie Conrad | Cast | Actor | Jailer |
 Franklin Pangborn | Cast | Actor | Louis - Hotel Manager |
 George Davis | Cast | Actor | French Taxi Driver (uncredited) |
 Georges Renavent | Cast | Actor | Magistrate |
 Irving Pichel | Cast | Actor | Prosecutor |
 Leon Belasco | Cast | Actor | Bellboy |
 Paul Hurst | Cast | Actor | Charlie - the Bartender |
 Roland Young | Cast | Actor | Cosmo Topper |
 Spencer Charters | Cast | Actor | Judge |
 Verree Teasdale | Cast | Actress | Mrs. Nancy Parkhurst |
 Wade Boteler | Cast | Actor | Police Sergeant in Bank (uncredited) |
 Skippy | Cast | Actor | Mr. Atlas |
| Person | Type | Job | Role(s) |
