A horrified teen mutates into a crazed cannibalistic swamp creature, and must uncover the terrifying secret identity of his father before his nasty natural tendencies force him to make jambalaya out of the locals.
Unfortunately the movie The Beast Within is not yet available on HBO Max.
| Directing | Philippe Mora | Director |
| Writing | Tom Holland | Writer |
| Production | Harvey Bernhard | Producer |
| Sound | Les Baxter | Original Music Composer |
| Crew | Jack L. Richards | Cinematography |
| Editing | Bert Lovitt | Editor |
| Production | Gabriel Katzka | Producer |
| Editing | Robert Brown | Editor |
| Art | Leonard A. Mazzola | Set Decoration |
| Crew | Garry Elmendorf | Special Effects |
| Costume & Make-Up | Ann Wadlington | Hair Designer |
| Costume & Make-Up | Tom Hoerber | Makeup Artist |
| Sound | Al Overton | Sound Mixer |
| Directing | Ron Fury | Assistant Director |
| Crew | Sorin Serene Pricopie | Stunt Coordinator |
| Directing | Mark Lyon | Second Assistant Director |
| Costume & Make-Up | Melanie Levitt | Makeup Artist |
| Crew | Thomas R. Burman | Special Effects |
| Crew | Fred Cramer | Special Effects |
| Art | David M. Haber | Production Design |
