A young psychiatric intern unearths secrets about the mental health facility in which he works.
Unfortunately the movie Madhouse is not yet available on HBO Max.
| Directing | William Butler | Director |
| Writing | William Butler | Screenplay |
| Writing | Aaron Strongoni | Story |
| Production | William Butler | Producer |
| Production | Mona C. Vasiloiu | Producer |
| Production | Henry Winterstern | Producer |
| Crew | Viorel Sergovici | Cinematography |
| Editing | Stephen Semel | Editor |
| Production | Perry Bullington | Casting |
| Production | Robert MacDonald | Casting |
| Production | Andreea Tanasescu | Casting |
| Production | Robert Bernacchi | Executive Producer |
| Production | Andrei Boncea | Line Producer |
| Production | Stephanie Denton | Co-Producer |
| Production | Tom Fox | Producer |
| Production | Simon Franks | Executive Producer |
| Production | Zygi Kamasa | Executive Producer |
| Production | Andre Lamal | Executive Producer |
| Production | Gary Lucchesi | Executive Producer |
| Production | Tom Rosenberg | Executive Producer |
| Production | John Vulich | Associate Producer |
| Sound | Alberto Caruso | Original Music Composer |
| Art | Victoria Dragnea | Assistant Art Director |
| Art | Radu Corciova | Production Design |
| Art | Eduard Daniel Vraciu | Art Direction |
| Costume & Make-Up | Ioana Albaiu | Costume Design |
| Camera | Bogdan Stanciu | Steadicam Operator |
| Camera | Tim Sabatino | Still Photographer |
| Costume & Make-Up | Mariana Andreescu | Makeup Artist |
| Crew | Bryan Blair | Makeup Effects |
| Crew | David Heinz | Post Production Assistant |
| Crew | Todd Stites | Post Production Supervisor |
| Crew | Ionut Stafie | Stand In |
| Crew | Ciprian Dumitrașcu | Stunt Coordinator |
| Directing | Alina Apostu | Script Supervisor |
| Editing | Michael Hatzer | Color Timer |
| Lighting | Adrian Gache | Best Boy Electric |
| Lighting | Gabriel Nita | Electrician |
| Lighting | Lucian Diaconu | Gaffer |
| Production | Liliana Toma | Casting Associate |
| Production | Colleen Nybo | Production Accountant |
| Production | Ioana Bernacchi | Production Coordinator |
| Production | Misu Predescu | Production Manager |
| Sound | Claude Letessier | Sound Designer |
| Sound | Aynee Osborn | Sound Editor |
| Sound | Rickley W. Dumm | Sound Effects Editor |
| Sound | Andrei Chiroșcă | Sound Mixer |
| Sound | Jonathan Wales | Sound Re-Recording Mixer |
| Sound | Lauren Stephens | Supervising Sound Editor |
| Visual Effects | Mark Ritcheson | Visual Effects Producer |
| Visual Effects | Helena Packer | Visual Effects Supervisor |
| Art | Monica Sorescu | Set Dresser |
| Camera | Parvu Mihai | Key Grip |
| Directing | Theodor Halacu-Nicon | First Assistant Director |
| Directing | Virgil Nicolaescu | Second Assistant Director |
| Production | Irene Iovan Calangiu | Assistant Production Coordinator |
| Production | Joe Sperandeo | Casting Assistant |
| Costume & Make-Up | John Vulich | Special Effects Makeup Artist |
| Directing | Beju Marius | Assistant Director |
| Art | Andreea Popa | Assistant Production Design |
| Sound | Alan Freedman | ADR Mixer |
| Sound | Shelley Roden | Foley Artist |
| Sound | Jeremy Balko | Foley Mixer |
| Crew | Gabi Burlacu | Stunt Double |
| Camera | Alex Fotea | Assistant Camera |
| Camera | Ancuta Iordachescu | Focus Puller |
| Editing | Laurent Morel | Colorist |
| Crew | Teo Bostanica | Catering |
| Production | Alexandra Marinescu | Production Assistant |
