A nightclub singer and his partner escape mobsters by fleeing to Cuba with a beautiful heiress, who has inherited a haunted castle on an isolated island. The trio hunt for a hidden treasure and encounter a ghost, a zombie, and a mysterious killer...
| Production | Hal B. Wallis | Producer |
| Directing | George Marshall | Director |
| Sound | Leith Stevens | Original Music Composer |
| Editing | Warren Low | Editor |
| Camera | Ernest Laszlo | Director of Photography |
| Crew | Norman Lear | Additional Dialogue |
| Writing | Walter DeLeon | Screenplay |
| Writing | Herbert Baker | Screenplay |
| Writing | Charles W. Goddard | Theatre Play |
| Writing | Paul Dickey | Theatre Play |
| Crew | Ed Simmons | Additional Dialogue |
| Costume & Make-Up | Wally Westmore | Makeup Supervisor |
| Art | Hal Pereira | Art Direction |
| Crew | Gordon Jennings | Special Effects |
| Directing | Charles C. Coleman | Assistant Director |
| Crew | Paul K. Lerpae | Special Effects |
| Sound | Hugo Grenzbach | Sound Recordist |
| Costume & Make-Up | Edith Head | Costume Design |
| Art | Ross Dowd | Set Decoration |
| Art | Franz Bachelin | Art Direction |
| Art | Sam Comer | Set Decoration |
| Sound | Walter Oberst | Sound Recordist |
| Sound | Joseph J. Lilley | Music Director |
| Crew | Billy Daniel | Choreographer |
