Directed by
| Robert F. McGowan | ... | (as Robert McGowan) |
Writing Credits (in alphabetical order)
| Jack Jevne | ... | (story department) |
Cast (in credits order)
Produced by
| Hal Roach | ... | producer (uncredited) |
Cinematography by
| Francis Corby | ||
Editing by
| Louis McManus | ||
Makeup Department
| Jack Casey | ... | makeup artist |
| Peggy Zardo | ... | hair stylist |
Art Department
| C.E. Christensen | ... | construction supervisor |
| William Stevens | ... | property department |
Sound Department
| Warren B. Delaplain | ... | sound (as W.B. Delaplain) |
Special Effects by
| Roy Davidson | ... | special effects technician (uncredited) |
Visual Effects by
| Roy Seawright | ... | process department (uncredited) |
Camera and Electrical Department
| Stax Graves | ... | still photographer |
Music Department
| Leroy Shield | ... | composer: stock music (uncredited) |
Additional Crew
| Tony Campanaro | ... | animal trainer |
| Charles Levin | ... | laboratory supervisor |
| Fred Purner | ... | publicist |
| Hal Roach | ... | presenter |