Directed by
| Irving Pichel | ||
Writing Credits
| Endre Bohem | ... | (screenplay) & |
| Richard English | ... | (screenplay) |
| Richard English | ... | (original story) |
Cast (in credits order) complete, awaiting verification
| Robert Livingston | ... | Dr. Lawrence Baxter (as Bob Livingston) | |
| Grace Bradley | ... | Jean Sterling | |
| Willard Robertson | ... | Inspector 'Mac' McDonald | |
| Pierre Watkin | ... | Kennedy | |
| Smiley Burnette | ... | Jimmy | |
| Granville Bates | ... | Prof. Rexford Sterling | |
| William Newell | ... | Andrews | |
| Byron Foulger | ... | Pete Andorka | |
| Wilbur Mack | ... | F. J. Thompson (as Willard Mack) | |
| Matty Fain | ... | Burke | |
| Josephine Whittell | ... | Nurse Nelson | |
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Charles Timblin | ... | Swain |
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Billy Griffith | ... | Kellogg (as William H. Griffith) |
| William Hopper | ... | Announcer (as De Wolf Hopper) | |
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Frank Du Frane | ... | Golden |
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Florence Gill | ... | Spinster |
| Rest of cast listed alphabetically: | |||
| Frank Austin | ... | Henchman (uncredited) | |
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Richard Beach | ... | Henchman (uncredited) |
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Harrison Greene | ... | Hospital Administrator (uncredited) |
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John Holland | ... | Druggist (uncredited) |
| Monte Montague | ... | Henchman (uncredited) | |
| William H. O'Brien | ... | Nightclub Waiter (uncredited) | |
| Mary Russell | ... | Nurse (uncredited) | |
| Carleton Young | ... | Radio Announcer (uncredited) | |
Produced by
| Nat Levine | ... | producer |
| Sol C. Siegel | ... | associate producer |
Cinematography by
| Jack A. Marta | ... | (as Jack Marta) |
Editing by
| Edward Mann | ||
Costume Design by
| Eloise | ||
Sound Department
| Harry Jones | ... | sound engineer |
Costume and Wardrobe Department
| Eugene Joseff | ... | costume jeweller (uncredited) |
Editorial Department
| Murray Seldeen | ... | supervising editor |
Music Department
| Harry Grey | ... | music supervisor |
| Hugo Riesenfeld | ... | composer: stock music (uncredited) |
Additional Crew
| Walter Compton | ... | publicist (uncredited) |
