Trailer
Images
 | Don McGuire as Congo Bill |
 | Cleo Moore as Lureen / Ruth Culver |
 | Jack Ingram as Cameron |
 | I. Stanford Jolley as Bernie MacGraw |
 | Nelson Leigh as Dr. Greenway |
 | Charles King as Kleeg |
 | Armida as Zalea |
 | Hugh Prosser as Morelli |
 | Neyle Morrow as Kahla |
 | Fred Graham as Villabo |
 | Rusty Wescoatt as Ivan |
 | Anthony Warde as Rogan |
| Stephen Carr as Tom MacGraw |
 | William Fawcett as Blinky |
 | Frank Lackteen as Nagu |
 | Knox Manning as Narrator |
 | Frank O'Connor as Frank |
 | Eddie Parker as Torturer |
 | Stanley Price as Nagu's Friend |
| Wally West as Circus Henchman |
 | Leonard Penn as Andre Bocar |
| Writing | |
| Lewis Clay | Screenplay |
Production | |
| Sam Katzman | Producer |
Writing | |
| George H. Plympton | Screenplay |
| Arthur Hoerl | Screenplay |
Directing | |
| Spencer Gordon Bennet | Director |
Writing | |
| Whitney Ellsworth | Screenstory |
Camera | |
| Ira H. Morgan | Director of Photography |
Directing | |
| Thomas Carr | Director |
