An old lighthouse keeper who lives with his daughter secretly keeps a prehistoric fish-man by feeding it scraps and fish. One day he misses the feeding and all hell breaks loose.
Unfortunately the movie The Monster of Piedras Blancas is not yet available on HBO Max.
| Directing | Irvin Berwick | Director |
| Writing | H. Haile Chace | Screenplay |
| Production | Jack Kevan | Producer |
| Camera | Philip H. Lathrop | Director of Photography |
| Editing | George A. Gittens | Editor |
| Costume & Make-Up | Jack Kevan | Makeup Artist |
| Directing | Joseph C. Cavalier | Assistant Director |
| Art | Ed Keyes | Property Master |
| Sound | Joe Lapis | Sound |
| Sound | James V. Swartz | Sound |
| Camera | Walter Woodworth | Grip |
| Lighting | Tom Ouellette | Lighting Technician |
| Directing | Luanna Sherman | Script Supervisor |
