Directed by
| Henry Levin | ||
Writing Credits
| Carlton E. Morse | ... | (based upon the original radio program "I Love a Mystery" written by) |
| Charles O'Neal | ... | (screenplay) |
| Dwight V. Babcock | ... | (additional dialogue) (as Dwight Babcock) |
Cast (in credits order) complete, awaiting verification
| Anita Louise | ... | Janet Mitchell | |
| Jim Bannon | ... | Jack Packard | |
| Michael Duane | ... | Rex Kennedy | |
| Mona Barrie | ... | Louise Mitchell | |
| Barton Yarborough | ... | Doc Long | |
| Ludwig Donath | ... | Dr. Karger | |
| Paul E. Burns | ... | Leon Hartman | |
| Frank Wilcox | ... | Prof. Arthur Logan | |
| Rest of cast listed alphabetically: | |||
| Bud Averill | ... | Museum Guard (uncredited) | |
| Edward Earle | ... | E.R. Willard (uncredited) | |
| John Elliott | ... | John the Butler (uncredited) | |
 |
Fred Godoy | ... | Mendoza (uncredited) |
| Richard Hale | ... | Curator Raymond Halliday (uncredited) | |
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Coulter Irwin | ... | Frank (uncredited) |
| Thomas E. Jackson | ... | Detective Captain Quinn (uncredited) | |
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Frank Martin | ... | Narrator (uncredited) |
| Frank Mayo | ... | Gordon R. Mitchell (uncredited) | |
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Mary Newton | ... | Karger's Nurse (uncredited) |
| Harry Strang | ... | Brophy - Night Watchman (uncredited) | |
Produced by
| Wallace MacDonald | ... | producer |
Music by
| George Duning | ... | (uncredited) |
| Irving Gertz | ... | (uncredited) |
Cinematography by
| Henry Freulich | ||
Editing by
| Jerome Thoms | ||
Art Direction by
| Robert Peterson | ||
Set Decoration by
| George Montgomery | ||
Second Unit Director or Assistant Director
| Carl Hiecke | ... | assistant director (uncredited) |
Sound Department
| George Cooper | ... | sound technician (uncredited) |
Stunts
| Eddie Parker | ... | stunt double (uncredited) |
Music Department
| Mischa Bakaleinikoff | ... | musical director |
| Mario Castelnuovo-Tedesco | ... | composer: stock music (uncredited) |
| Paul Sawtell | ... | composer: stock music (uncredited) |
| Victor Young | ... | composer: stock music (uncredited) |
Additional Crew
| Carlton E. Morse | ... | director: original radio program "I Love a Mystery" |
