Comedy-mystery finds Detectives Kelly and Dempsey trapped in a deserted lighthouse with a group of strangers who are being terrorized by a killer octopus AND a mysterious crime figure named after the title sea creature.
| Writing | George Bricker | Screenplay |
| Directing | William C. McGann | Director |
| Writing | Ralph Spence | Theatre Play |
| Writing | Ralph Murphy | Theatre Play |
| Writing | Donald Gallaher | Theatre Play |
| Camera | Arthur L. Todd | Director of Photography |
| Editing | Clarence Kolster | Editor |
| Art | Max Parker | Art Direction |
| Costume & Make-Up | N'was McKenzie | Costume Design |
| Sound | Francis J. Scheid | Sound |
