Directed by
| Robert A. McGowan | ... | (as Anthony Mack) |
Writing Credits (in alphabetical order)
| H.M. Walker | ... | (writer) |
Cast (in credits order)
Produced by
| Hal Roach | ... | producer |
Art Department
| C.E. Christensen | ... | construction supervisor |
Visual Effects by
| Roy Seawright | ... | optical effects (uncredited) |
Camera and Electrical Department
| Stax Graves | ... | still photographer |
Additional Crew
| Charles Levin | ... | laboratory supervisor |
| Harry Lucenay | ... | animal trainer |
