 | Virginia Grey als Carole Lane |
 | Phillip Reed als Ted Osborne |
 | Richard Denning als John Fairbanks |
 | Barton MacLane als Capt. Tarnowski |
 | Dick Wessel als Sanderson, 1st Mate |
 | Dan White als Crewman Edwards |
 | Harry 'Snub' Pollard als Extra in Dive, Pointing Out Tarnowski |
 | Ray Corrigan als Monster (uncredited) |
| Jack Bernhard | Director |
| Max M. Hutchinson | Sound |
| John Livesley | Grip |
| Robert T. Shannon | Story |
| Robert T. Shannon | Screenplay |
| Jack Harvey | Screenplay |
| Albert J. Cohen | Producer |
| Raoul Kraushaar | Original Music Composer |
| Fred Jackman Jr. | Director of Photography |
| Harry Gerstad | Editor |
| Jerome Pycha Jr. | Art Direction |
| Robert Priestley | Set Decoration |
| Harry Ross | Makeup Supervisor |
| Maria Marsha | Hairstylist |
| Rudolph E. Abel | Production Manager |
| Ellis Burman | Special Effects |
