Cast & crew
Behind Locked Doors (1948)
Directed by Budd Boetticher Written by Eugene Ling, Malvin Wald
Cast
| Ralf Harolde | Fred Hopps |
| Gwen Donovan | Madge Bennett |
| Trevor Bardette | Mr. Purvis - a Patient (uncredited) |
| Lucille Bremer | Kathy Lawrence |
| Richard Carlson | Ross Stewart |
| Douglas Fowley | Larson |
| Thomas Browne Henry | Dr. Clifford Porter |
| Herbert Heyes | Judge Finlay Drake |
| Tor Johnson | 'The Champ', a patient (uncredited) |
| John Holland | Dr. J.R. Bell (uncredited) |
| Tony Horton | Trooper Captain (uncredited) |
| Wally Vernon | Maintenance Man (uncredited) |
| Morgan Farley | Mental Patient (uncredited) |
| Kathleen Freeman | Nurse (uncredited) |
| Dickie Moore | Mental Patient (uncredited) |
Crew
| Emmett Emerson | Assistant Director |
| Armor Marlowe | Set Decoration |
| Al Orenbach | Set Decoration |
| Joan St. Oegger | Hairstylist |
| Eugene Ling | Screenplay |
| Malvin Wald | Screenplay |
| Budd Boetticher | Director |
| Malvin Wald | Story |
| James T. Vaughn | Production Supervisor |
| George J. Teague | Visual Effects |
| Ern Westmore | Makeup Artist |
| Irving Friedman | Music Director |
| Del Armstrong | Makeup Artist |
| Helen Turpin | Hairstylist |
| Leon Becker | Sound |
| Robert Pritchard | Sound |
| Albert Glasser | Music |
| France Ehren | Costume Supervisor |
| Milton Gold | Still Photographer |
| Richard Walton | Script Supervisor |
| Lee Davis | Camera Operator |
| Burk Symon | Dialogue Coach |
| Edward L. Ilou | Art Direction |
| Charles Rose | Grip |
| Norman Colbert | Editor |
| Eugene Ling | Producer |
| Guy Roe | Director of Photography |