| Person | Type | Job | Role(s) |
|---|---|---|---|
 Allen G. Siegler | Crew | Camera | Director of Photography |
 Bryan Foy | Crew | Production | Producer |
Carroll Sax | Crew | Directing | Assistant Director |
Erle Stanley Gardner | Crew | Writing | Story |
F. Hugh Herbert | Crew | Writing | Screenplay |
Frank Magee | Crew | Editing | Editor |
 Hal B. Wallis | Crew | Production | Executive Producer |
Heinz Roemheld | Crew | Sound | Music |
Hugh Reticker | Crew | Art | Art Direction |
 Jack L. Warner | Crew | Production | Executive Producer |
Milo Anderson | Crew | Costume & Make-Up | Costume Design |
 Sol Gorss | Crew | Crew | Stunts |
William C. McGann | Crew | Directing | Director |
 Bill Elliott | Cast | Actor | Sam Laxter |
 Billy Wayne | Cast | Actor | Poker Player (uncredited) |
 Carlyle Moore Jr. | Cast | Actor | Douglas Keene |
 Clarence Wilson | Cast | Actor | Mr. Shuster |
 Craig Reynolds | Cast | Actor | Frank Oafley |
Don Downen | Cast | Actor | Newsboy (uncredited) |
Earl Askam | Cast | Actor | Desk Officer (uncredited) |
 Edward McWade | Cast | Actor | Keene's Apartment Manager (uncredited) |
 Ferdinand Schumann-Heink | Cast | Actor | Mason's Driver (uncredited) |
Frank Bruno | Cast | Actor | Construction Foreman (uncredited) |
 Garry Owen | Cast | Actor | Paul Drake |
 George Rosener | Cast | Actor | Charles Ashton |
Gordon Hart | Cast | Actor | Dr. Jacobs |
 Guy Usher | Cast | Actor | District Attorney Hamilton Burger |
Harrison Greene | Cast | Actor | Worried Client (uncredited) |
 Harry Davenport | Cast | Actor | Peter Laxter |
 Harry Hayden | Cast | Actor | Reverend Stillwell |
 Jane Bryan | Cast | Actress | Wilma Laxter |
 John Marston | Cast | Actor | Judge Robert Fellows (uncredited) |
 John Sheehan | Cast | Actor | Sergeant Holcomb (uncredited) |
 June Travis | Cast | Actress | Della Street |
Kenneth Gibson | Cast | Actor | Clerk (uncredited) |
Lottie Williams | Cast | Actress | Mrs. Pixley |
Lyle Moraine | Cast | Actor | Reporter (uncredited) |
 Milton Kibbee | Cast | Actor | Brandon - Oafley's Butler (uncredited) |
 Nedda Harrigan | Cast | Actress | Nurse Louise DeVoe |
 Paul Kruger | Cast | Actor | Reporter (uncredited) |
 Paul Panzer | Cast | Actor | Poker Player (uncredited) |
 Ricardo Cortez | Cast | Actor | Perry Mason |
Sol Gorss | Cast | Actor | Poker Player (uncredited) |
 Tom Wilson | Cast | Actor | Waffle Shop Construction Foreman (uncredited) |
Claire White | Cast | Woman (uncredited) | |
 Chuck Hamilton | Cast | Actor | Bailiff (uncredited) |
| Person | Type | Job | Role(s) |
