Cast & crew
Night Key (1937)
Directed by Lloyd Corrigan Written by Jack Moffitt, William A. Pierce, Tristram Tupper
Cast
| Boris Karloff | David Mallory |
| Warren Hull | Jim Travers |
| Jean Rogers | Joan Mallory |
| Alan Baxter | John Baron aka The Kid |
| Hobart Cavanaugh | Petty Louie |
| Samuel S. Hinds | Steven Ranger |
| David Oliver | Mike Callahan |
| Ward Bond | Fingers |
| Frank Reicher | Carl - gang engineer |
| Edwin Maxwell | Lawyer Kruger |
| Ruth Fallows | Waitress (uncredited) |
| George Humbert | Mr. Spinelli (uncredited) |
| Nina Campana | Mrs. Spinelli (uncredited) |
| George Cleveland | Sam Adams - Company Engineer (uncredited) |
| Charles C. Wilson | Police Capt. Wallace (uncredited) |
| Chuck Hamilton | Policeman (uncredited) |
Crew
| John P. Fulton | Special Effects |
| Jack Moffitt | Screenplay |
| George Robinson | Director of Photography |
| Jack Pierce | Makeup Artist |
| Lloyd Corrigan | Director |
| Robert Presnell Sr. | Producer |
| William A. Pierce | Story |
| Jack Otterson | Art Direction |
| Tristram Tupper | Screenplay |
| Otis Garrett | Editor |
| Jesse Bastian | Sound |
| Gilbert Kurland | Sound Supervisor |
| John P. Fulton | Visual Effects |
| Jess Moulin | Sound |
| Karl Hajos | Music |
| Charles Maxwell | Music |
| David Raskin | Music |
| Arthur Morton | Music |
| Charles Previn | Music |
| Heinz Roemheld | Music |
| Loren Patrick | Art Direction |
| Edward Ward | Music |
| Clifford Vaughan | Music |
| Franz Waxman | Music |