Ten-year-old Willow follows her parents on one of their secret late-night treks to the heart of an ancient forest. After witnessing her father undergo a terrible transformation, she too becomes ensnared by the dark ancestral secret that they've so desperately tried to conceal.
Unfortunately the movie The Beast Within is not yet available on HBO Max.
| Directing | Alexander J. Farrell | Director |
| Writing | Greer Taylor Ellison | Writer |
| Writing | Alexander J. Farrell | Writer |
| Production | Jack Christian | Producer |
| Production | Karl Hall | Producer |
| Production | D.J. McPherson | Executive Producer |
| Production | Martin Owen | Producer |
| Production | Ryan Hamilton | Producer |
| Production | Merlin Merton | Producer |
| Sound | Jack Halama | Original Music Composer |
| Sound | Nathan W Klein | Original Music Composer |
| Camera | Daniel Katz | Director of Photography |
| Editing | Matthieu Laclau | Editor |
| Production | Ben Parkinson | Casting |
| Art | Russell De Rozario | Production Design |
| Art | Oskar De Rozario | Art Direction |
| Art | Janeeta Panesar | Set Decoration |
| Costume & Make-Up | Adam Howe | Costume Design |
| Editing | Andy Lee | Colorist |
| Production | Spencer Friend | Producer |
