Directed by
| Roy Del Ruth | ||
Writing Credits
| Orville H. Hampton | ... | (screenplay) |
| Orville H. Hampton | ... | (story) and |
| Charles O'Neal | ... | (story) |
| Robert M. Fresco | ... | (uncredited) |
Cast (in credits order) verified as complete
| Beverly Garland | ... | Joyce Webster - aka Jane Marvin | |
| Bruce Bennett | ... | Dr. Eric Lorimer | |
| Lon Chaney Jr. | ... | Manon (as Lon Chaney) | |
| George Macready | ... | Dr. Mark Sinclair | |
| Frieda Inescort | ... | Mrs. Lavinia Hawthorne - Henry's Wife | |
| Richard Crane | ... | Paul Webster | |
| Douglas Kennedy | ... | Dr. Wayne MacGregor | |
| Rest of cast listed alphabetically: | |||
 |
Bill Bradley | ... | Patient 'Number Six' (uncredited) |
|
|
Hal K. Dawson | ... | Train Conductor (uncredited) |
| Dudley Dickerson | ... | Train Porter (uncredited) | |
| John Frederick | ... | 1st Male Nurse (uncredited) | |
|
|
Ruby Goodwin | ... | Louann - the Maid (uncredited) |
|
|
Ken Kane | ... | Third Male Nurse (uncredited) |
| Boyd Stockman | ... | Alligator-Headed Paul (uncredited) | |
|
|
Vince Townsend Jr. | ... | Toby - the Butler (uncredited) |
|
|
Lee Warren | ... | 2nd Male Nurse (uncredited) |
Produced by
| Jack Leewood | ... | producer |
Music by
| Irving Gertz | ||
Cinematography by
| Karl Struss | ... | director of photography |
Art Direction by
| John B. Mansbridge | ... | (as John Mansbridge) |
| Lyle R. Wheeler | ||
Set Decoration by
| Joseph Kish | ||
| Walter M. Scott | ||
Makeup Department
| Eve Newing | ... | hair stylist |
| Ben Nye | ... | makeup artist |
| Dick Smith | ... | makeup artist |
Production Management
| Herbert E. Mendelson | ... | production manager (as Herb Mendelson) |
Second Unit Director or Assistant Director
| Herbert E. Mendelson | ... | assistant director (as H.E. Mendelson) |
Art Department
| George Westenhiser | ... | property master |
Sound Department
| W.D. Flick | ... | sound (as W. Donald Flick) |
| Arthur Cornell | ... | sound effects (uncredited) |
Special Effects by
| Fred Etcheverry | ... | special effects |
Stunts
| Bob Bryant | ... | stunts (uncredited) |
Costume and Wardrobe Department
| Ollie Hughes | ... | costume supervisor |
| William McCrary | ... | costume supervisor |
Editorial Department
| Harry Gerstad | ... | supervising film editor |
| Orven Schanzer | ... | first assistant editor (uncredited) |
Script and Continuity Department
| Mary Coleman | ... | script supervisor |
