| Person | Type | Job | Role(s) |
|---|---|---|---|
 Barney McGill | Crew | Camera | Director of Photography |
Bernhard Kaun | Crew | Sound | Original Music Composer |
Earl Baldwin | Crew | Writing | Adaptation, Dialogue |
Earl Luick | Crew | Costume & Make-Up | Costume Design |
 Elliott Nugent | Crew | Directing | Director |
Esdras Hartley | Crew | Art | Art Direction |
Frank J. Collins | Crew | Writing | Theatre Play |
George Amy | Crew | Editing | Editor |
 James Flood | Crew | Directing | Director |
Joseph Jackson | Crew | Writing | Screenplay |
 Leo F. Forbstein | Crew | Sound | Conductor |
William H. Cannon | Crew | Directing | Assistant Director |
Rufus Le Maire | Crew | Production | Casting |
William Maybery | Crew | Production | Casting Assistant |
Billy Gordon | Crew | Production | Casting Assistant |
 Aline MacMahon | Cast | Actress | Miss Hickey, Day's Secretary |
 Berton Churchill | Cast | Actor | Rocco Trial Judge (Uncredited) |
 Charles Lane | Cast | Actor | Hotel Desk Clerk (Uncredited) |
 Davison Clark | Cast | Actor | Detective Arresting Garland (Uncredited) |
 Emerson Treacy | Cast | Actor | Robert Wilson (Uncredited) |
Eric Wilton | Cast | Actor | Maitre d' (Uncredited) |
 Guy Kibbee | Cast | Actor | Bartender |
Helena Phillips Evans | Cast | Actress | Crying Prospective Client (Uncredited) |
 J. Carrol Naish | Cast | Actor | Tony Rocco |
 Jack La Rue | Cast | Actor | Joe Garland (Uncredited) |
 John Kelly | Cast | Actor | Cab Driver (Uncredited) |
 John Wray | Cast | Actor | Mr. Barton |
 Kenne Duncan | Cast | Actor | Office Worker (Uncredited) |
 Lew Harvey | Cast | Actor | One of J.B.'s Henchmen (Uncredited) |
 Mae Madison | Cast | Actress | Elaine |
 Morgan Wallace | Cast | Actor | E.A. Smith |
 Murray Kinnell | Cast | Actor | Thompson, Day's Butler |
 Noel Francis | Cast | Actress | Miss DeVere |
 Paulette Goddard | Cast | Actress | Platinum Blonde at Party (Uncredited) |
 Pedro Regas | Cast | Actor | One of J.B.'s Henchmen (Uncredited) |
 Polly Walters | Cast | Actress | Gladys (Uncredited) |
 Ralph Ince | Cast | Actor | J.B. Roscoe |
 Selmer Jackson | Cast | Actor | Prison Clerk (Uncredited) |
 Sidney Fox | Cast | Actress | Celia Farraday |
 Stanley Fields | Cast | Actor | Mr. Pondapolis |
 Walter Walker | Cast | Actor | District Attorney Forbes |
 Warren William | Cast | Actor | Vincent 'Vince' Day |
 William Janney | Cast | Actor | John 'Johnny' Morris |
 Willie Fung | Cast | Actor | Chinese Waiter (Uncredited) |
Hector Sarno | Cast | The Gardener-Murderer (Uncredited) | |
| Person | Type | Job | Role(s) |
