Directed by
| David MacDonald | ||
| Frank P. Bibas | ... | (uncredited) |
| George Waggner | ... | (uncredited) |
Writing Credits (in alphabetical order)
| Jack Jacobs | ... | (uncredited) |
| Sidney Morse | ... | (uncredited) |
| Michael Plant | ||
| Hendrik Vollaerts | ... | (uncredited) |
Cast (in credits order) complete, awaiting verification
| Boris Karloff | ... | Capt. John Elwood / Jonas Atterbury / Dr. Francis Mason (archive footage) | |
| Rest of cast listed alphabetically: | |||
| Dorothy Alison | ... | Judith (archive footage) | |
| Morris Ankrum | ... | Judge Davis (archive footage) | |
 |
Mae Bacon | ... | Fat woman (archive footage) |
| Harry Bartell | ... | Edward Paige (archive footage) | |
| Russ Bender | ... | Calvin Logan (archive footage) | |
| Robert Brown | ... | Constable (archive footage) | |
| Paul Bryar | ... | Police Lt. Davis (archive footage) | |
| Charles Carson | ... | Dr. Hatherley (archive footage) | |
|
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Gene Collins | ... | Ralph Kerwin (archive footage) |
| Clifford Evans | ... | Inspector (archive footage) | |
|
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Lee Farr | ... | John Haney, Jr. (archive footage) |
| Robert Griffin | ... | Dr. Dragstedt (archive footage) | |
| Thomas Browne Henry | ... | Blue (archive footage) (as Thomas Henry) | |
|
|
Eleanor Lucky | ... | Bessie (archive footage) |
| Niall MacGinnis | ... | Walter (archive footage) | |
| Charles Meredith | ... | John Haney, Sr. (archive footage) | |
| Peter Miller | ... | James 'Jamie' Haney (archive footage) | |
| Ray Montgomery | ... | Police Sgt. Fenton (archive footage) | |
| Tudor Owen | ... | Capt. barney (archive footage) | |
| Vici Raaf | ... | Blonde woman (archive footage) (as Vicki Raaf) | |
| Katherine Squire | ... | Emma Haney (archive footage) | |
| Kay Stewart | ... | Ruth Elwood (archive footage) | |
| Nora Swinburne | ... | Mrs. Willowden (archive footage) | |
| Gretchen Thomas | ... | Elizabeth Foley (archive footage) | |
|
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Robert Brooks Turner | ... | Warden (archive footage) (as Robert Brookes Turner) |
|
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Connie Van | ... | Mrs. Rebus (archive footage) |
Produced by
| Frank P. Bibas | ... | producer (uncredited) |
| Sidney Morse | ... | associate producer (uncredited) |
| Hal Roach Jr. | ... | producer |
Music by
| Edwin Astley | ||
| Leon Klatzkin | ... | (uncredited) |
Cinematography by
| Stephen Dade | ||
| Howard Schwartz | ... | (uncredited) |
Editing by
| Ann Chegwidden | ||
| Otho Lovering | ... | (uncredited) |
Casting By
| Robert Lennard | ||
| Ruth Burch | ... | (uncredited) |
Art Direction by
| Denys Pavitt | ||
| McClure Capps | ... | (uncredited) |
Set Decoration by
| Rudy Butler | ... | (uncredited) |
Costume Design by
| John Zacha | ... | (uncredited) |
Makeup Department
| Margit McEllray | ... | hair stylist (uncredited) |
| Sidney Perell | ... | makeup artist (uncredited) |
Production Management
| Victor Peck | ... | production manager |
| E.H. Goldstein | ... | production supervisor (uncredited) |
| D'Estell Iszard | ... | production manager (uncredited) |
Second Unit Director or Assistant Director
| Jim Lane | ... | assistant director (uncredited) |
Sound Department
| Harold V. King | ... | recording supervisor |
| William Russell | ... | sound |
| Joel Moss | ... | sound (uncredited) |
Visual Effects by
| Jack R. Glass | ... | photographic effects |
Additional Crew
| William Sterling | ... | production coordinator (uncredited) |
