| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Gottlieb | Crew | Production | Producer |
Ben Winkler | Crew | Sound | Sound |
Charles Hoffman | Crew | Writing | Screenplay |
Dave Kahn | Crew | Sound | Music |
Don McDougall | Crew | Directing | Script Supervisor |
Edward Mann | Crew | Editing | Editor |
Emmett Emerson | Crew | Directing | Assistant Director |
 Fritz Lang | Crew | Directing | Director |
Gene Hibbs | Crew | Costume & Make-Up | Makeup Artist |
Izzy Berne | Crew | Costume & Make-Up | Costume Designer |
James R. Barker | Crew | Costume & Make-Up | Makeup Artist |
Maurie M. Suess | Crew | Production | Production Supervisor |
 Nelson Riddle | Crew | Sound | Music Arranger |
 Nicholas Musuraca | Crew | Camera | Director of Photography |
Raoul Kraushaar | Crew | Sound | Original Music Composer |
Vera Caspary | Crew | Writing | Story |
Daniel Hall | Crew | Art | Art Direction |
Willis Cook | Crew | Crew | Special Effects |
Maria P. Donovan | Crew | Costume & Make-Up | Costume Designer |
Alex Gottlieb | Cast | Actor | Man (uncredited) |
 Almira Sessions | Cast | Actress | Cleaning Lady (uncredited) |
 Amzie Strickland | Cast | Actress | Woman at Bar (uncredited) |
 Ann Sothern | Cast | Actress | Crystal Carpenter |
 Anne Baxter | Cast | Actress | Norah Larkin |
 Carl Sklover | Cast | Actor | Photographer (uncredited) |
 Celia Lovsky | Cast | Actress | Mary (uncredited) |
 Dolores Fuller | Cast | Actress | Woman At Bar (uncredited) |
 Edward Clark | Cast | Actor | News Stand Dealer (uncredited) |
Elizabeth Flournoy | Cast | Actress | Assistant Switchboard Monitor (uncredited) |
 Fay Baker | Cast | Actress | Switchboard Monitor (uncredited) |
 Frank Ferguson | Cast | Actor | Drunk Reporter (uncredited) |
 Frank Kreig | Cast | Actor | Drunken Reporter (uncredited) |
 Frank O'Connor | Cast | Actor | Passerby (uncredited) |
 Gail Bonney | Cast | Actress | Policewoman (uncredited) |
 George Reeves | Cast | Actor | Sam Haynes |
 Hugh Sanders | Cast | Actor | 'Chronicle' Managing Editor (uncredited) |
 Jeff Donnell | Cast | Actress | Sally Ellis |
 Jeffrey Sayre | Cast | Actor | Police Recorder (uncredited) |
Jess Kirkpatrick | Cast | Actor | Detective (uncredited) |
 Kenner G. Kemp | Cast | Actor | Nightclub Patron (uncredited) |
 Larry J. Blake | Cast | Actor | Music Shop Clerk (uncredited) |
 Lee Phelps | Cast | Actor | Information Desk Guard (uncredited) |
 Lela Bliss | Cast | Actress | Miss Stanley (uncredited) |
Marjorie Stapp | Cast | Actress | Policewoman (uncredited) |
Mike Donovan | Cast | Fingerprint Officer (uncredited) | |
 Nat King Cole | Cast | Actor | Nat King Cole |
 Norman Leavitt | Cast | Actor | Bill (uncredited) |
Papa John Creach | Cast | Man Playing Violin (uncredited) | |
Peggy McKim | Cast | Sneezing Girl (uncredited) | |
 Ray Walker | Cast | Actor | Homer |
 Raymond Burr | Cast | Actor | Harry Prebble |
 Richard Conte | Cast | Actor | Casey Mayo |
 Richard Erdman | Cast | Actor | Al |
 Robert Bice | Cast | Actor | Policeman (uncredited) |
 Robert Shayne | Cast | Actor | Doctor (uncredited) |
Ruth Storey | Cast | Actress | Rose Miller |
 Sailor Vincent | Cast | Actor | Drunken Sailor (uncredited) |
Sam Finn | Cast | Actor | Photographer (uncredited) |
 Sam Harris | Cast | Actor | Nightclub Patron at Blue Gardenia (uncredited) |
Tommy Lee | Cast | Actor | Waiter (uncredited) |
 Victor Sen Yung | Cast | Actor | Blue Gardenia Waiter (uncredited) |
 Victoria Horne | Cast | Actress | Disturbed Woman w/Big Feet (uncredited) |
 William Haade | Cast | Actor | Patrolman Hopper (uncredited) |
 William Phipps | Cast | Actor | Lt. George Foster (voice / uncredited) |
Joey Ray | Cast | Actor | Prebble's Assistant (uncredited) |
| Person | Type | Job | Role(s) |
