Directed by
| Jack Bernhard | ||
Writing Credits
| Arthur Hoerl | ... | (original screenplay) |
Cast (in credits order)
| Richard Travis | ... | Tom Norman / Rattick | |
| Helen Westcott | ... | Mary Lynn | |
| Emory Parnell | ... | Capt. Jan Roburt | |
| Richard Fraser | ... | Operative Farrell (as Dick Fraser) | |
| James Griffith | ... | Operative Dale (as Jim Griffith) | |
| Ralf Harolde | ... | Steele | |
| Selmer Jackson | ... | Capt. Wright | |
| Gene Roth | ... | Ehrlich | |
| William Tannen | ... | Dajek | |
| Otto Reichow | ... | Balser | |
| Pierre Watkin | ... | Mr. Sigmund | |
| Paul Bryar | ... | Cmdr. Braddock | |
| William Haade | ... | Anorus | |
| Jason Robards Sr. | ... | Dr. Loring (as Jason Robards) | |
Produced by
| James S. Burkett | ... | executive producer |
Music by
| Mahlon Merrick | ||
Cinematography by
| Marcel Le Picard | ... | (photographed by) |
Editing by
| Charles Craft | ||
Art Direction by
| Dave Milton | ||
Makeup Department
| Ted Larsen | ... | makeup artist |
Production Management
| Wesley Barry | ... | production manager |
Second Unit Director or Assistant Director
| Clarence Eurist | ... | assistant director |
Sound Department
| Robert Pritchard | ... | sound |
Music Department
| David Chudnow | ... | musical director |