Directed by
| Jacques Tourneur | ... | (as Jack Tourneur) |
Writing Credits
| Robert Lopez | ... | (story) |
| Robert Lopez | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Stephen McNally | ... | Dr. Christiaan Eijkman (as Horace McNally) | |
| John Nesbitt | ... | Narrator (voice) | |
| Rest of cast listed alphabetically: | |||
| Dorothy Morris | ... | Secretary (uncredited) | |
| Emmett Vogan | ... | Scientist (uncredited) | |
Produced by
| John Nesbitt | ... | producer |
Cinematography by
| Alvin Wyckoff | ||
Editing by
| Harry Komer | ||
Art Direction by
| Paul Youngblood | ||
