After he's institutionalized in order to cover for his sister, a young man encounters a doctor who is turning his patients into flesh-eating psychopaths
Unfortunately the movie Insanitarium is not yet available on HBO Max.
| Writing | Jeff Buhler | Screenplay |
| Directing | Jeff Buhler | Director |
| Production | Chris Gehrt | Casting Assistant |
| Production | Chris Bender | Producer |
| Production | Andrew Golov | Producer |
| Production | Mason Novick | Executive Producer |
| Production | Larry Schapiro | Producer |
| Production | J.C. Spink | Producer |
| Production | Michael J. Zampino | Executive Producer |
| Sound | Paul D'Amour | Original Music Composer |
| Camera | Robert Hauer | Director of Photography |
| Editing | Janice Hampton | Editor |
| Production | Kelly Wagner | Casting |
| Art | Talon McKenna | Production Design |
| Art | Sid Nicholson | Art Direction |
| Art | Steve Weems | Set Decoration |
| Costume & Make-Up | Molly Grundman-Gerbosi | Costume Design |
| Costume & Make-Up | Kristin Arrigo | Key Hair Stylist |
| Costume & Make-Up | Laura C. Denton | Prosthetic Designer |
| Costume & Make-Up | Kelly Capoccia | Special Effects Makeup Artist |
| Costume & Make-Up | Eun Jin Cho | Makeup Artist |
| Costume & Make-Up | Heather Ford | Hairstylist |
| Costume & Make-Up | Jamie Gruber | Makeup Artist |
| Costume & Make-Up | Michael Shawn McCracken | Makeup Department Head |
| Costume & Make-Up | Matthew W. Mungle | Other |
| Costume & Make-Up | Julie O'Leary | Hairstylist |
| Costume & Make-Up | Lufeng Qu | Makeup Department Head |
| Costume & Make-Up | Daniela Richardson | Makeup Artist |
| Costume & Make-Up | Karina Thompson | Hairstylist |
| Costume & Make-Up | Turner Walker | Special Effects Makeup Artist |
| Directing | Maximillian D. Day | First Assistant Director |
| Directing | Becky Chin | Second Second Assistant Director |
| Directing | Richard Gonzales | Second Assistant Director |
| Directing | Bradley Pero | Second Second Assistant Director |
| Art | Jarid Boyce | Storyboard Artist |
| Crew | Jonathan Kombrinck | Special Effects Coordinator |
| Camera | Anne Marie Fox | Still Photographer |
| Crew | Bobby C. King | Stunt Coordinator |
| Directing | Renetta G. Amador | Script Supervisor |
| Directing | Joe May | Second Second Assistant Director |
| Crew | Jasi Cotton Lanier | Stunts |
| Crew | Kym Stys | Stunt Double |
