| Person | Type | Job | Role(s) |
|---|---|---|---|
 Don Ryan | Crew | Writing | Screenplay |
Erle Stanley Gardner | Crew | Writing | Story |
Esdras Hartley | Crew | Art | Art Direction |
Howard Shoup | Crew | Costume & Make-Up | Costume Design |
Jack Saper | Crew | Editing | Editor |
Kenneth Gamet | Crew | Writing | Screenplay |
Rex Wimpy | Crew | Camera | Director of Photography |
 William Clemens | Crew | Directing | Director |
 Ann Dvorak | Cast | Actress | Della Street |
 Anne Nagel | Cast | Actress | Janice Alma Brownley |
 Billy Wayne | Cast | Actor | First Taxi Driver (uncredited) |
 Charles C. Wilson | Cast | Actor | Hamilton Burger |
Cliff Saum | Cast | Actor | Third Detective (uncredited) |
 Craig Reynolds | Cast | Actor | Gordon Bixler |
Dan Wolheim | Cast | Policeman (uncredited) | |
Don Downen | Cast | Actor | Bellboy (uncredited) |
 Donald Woods | Cast | Actor | Perry Mason |
 Douglas Wood | Cast | Actor | Renald C. Brownley |
 Eddy Chandler | Cast | Actor | Detective James Fleet (uncredited) |
 Edward McWade | Cast | Actor | Bishop Mallory |
 Ferdinand Schumann-Heink | Cast | Actor | Ambulance Helper (uncredited) |
 Frank Faylen | Cast | Actor | Charlie Downs |
 George Lloyd | Cast | Actor | Peter Sacks |
Gordon Hart | Cast | Actor | Judge Knox (uncredited) |
 Gordon Oliver | Cast | Actor | Philip Brownley |
 Harry Fox | Cast | Clerk (uncredited) | |
 Helen MacKellar | Cast | Actress | Stella Kenwood |
 Jack Mower | Cast | Actor | Second Detective (uncredited) |
 John J. Richardson | Cast | Actor | Second Taxi Driver (uncredited) |
 John Shelton | Cast | Actor | Ambulance Doctor (uncredited) |
 Joseph Crehan | Cast | Actor | Paul Drake |
 Linda Perry | Cast | Actress | Janice Seaton |
 Louise Stanley | Cast | Actress | Young Woman in Room 310 (uncredited) |
Lyle Moraine | Cast | Actor | Western Union Witness (uncredited) |
 Mira McKinney | Cast | Actress | Ida Gilbert |
 Paul Panzer | Cast | Actor | Guiseppe - Waiter (uncredited) |
 Selmer Jackson | Cast | Actor | Victor Stockton |
 Stuart Holmes | Cast | Actor | Renald's Butler (uncredited) |
 Tom Kennedy | Cast | Actor | Jim Magooney |
 Tom Wilson | Cast | Actor | Yacht Club Attendant Watchman (uncredited) |
 Veda Ann Borg | Cast | Actress | Gladys |
 Wedgwood Nowell | Cast | Actor | Hotel Manager (uncredited) |
| Person | Type | Job | Role(s) |
