An Oxford Medical School graduate takes a position at a mental institution and soon becomes obsessed with a female mental patient, but he has no idea of a recent and horrifying staffing change.
Unfortunately the movie Stonehearst Asylum is not yet available on HBO Max.
| Production | Bruce Davey | Producer |
| Production | Mel Gibson | Producer |
| Editing | Brian Gates | Editor |
| Directing | Brad Anderson | Director |
| Writing | Joe Gangemi | Screenplay |
| Production | Mark Amin | Producer |
| Camera | Thomas Yatsko | Director of Photography |
| Production | Kate Dowd | Casting |
| Production | Marianne Stanicheva | Casting |
| Art | Alain Baineé | Production Design |
| Sound | Lon Bender | Sound Designer |
| Sound | Bill R. Dean | Sound Designer |
| Sound | John Debney | Music |
| Costume & Make-Up | Thomas Oláh | Costume Design |
| Editing | Malcolm Jamieson | Editor |
| Production | Vicki Christianson | Executive Producer |
| Production | Cami Winikoff | Executive Producer |
| Production | David Higgins | Executive Producer |
| Production | Avi Lerner | Executive Producer |
| Production | Lati Grobman | Executive Producer |
| Production | Christa Campbell | Executive Producer |
| Production | Mark Gill | Executive Producer |
| Production | René Besson | Executive Producer |
| Production | Sufo Evtimov | Unit Production Manager |
| Directing | Mark Roper | First Assistant Director |
| Directing | Sylvia Asenova | Second Assistant Director |
| Crew | Kaloian Vodenicharov | Stunt Coordinator |
| Production | Lonnie Ramati | Co-Executive Producer |
| Production | Todd Gilbert | Executive In Charge Of Post Production |
| Directing | Katie Roper | Third Assistant Director |
| Directing | Milena Mihaylova | Script Supervisor |
| Art | Carlos Bodelón | Supervising Art Director |
| Art | Alexei Karagyaur | Art Direction |
| Art | Dobrinka Stamenkova | Art Department Coordinator |
| Art | Adriano Giombini | Set Designer |
| Art | Alessandro Troso | Set Designer |
| Art | Sonya Savova | Set Designer |
| Camera | Alberto Carreras Velasco | Camera Operator |
| Camera | Ross W. Clarkson | Camera Operator |
| Camera | Kiril Valchanov | Camera Operator |
| Camera | Kiril Valchanov | Steadicam Operator |
| Camera | Andrei Chertov | Camera Operator |
| Camera | Simon Varsano | Still Photographer |
| Sound | Emil Evtimov | Sound Mixer |
| Sound | Boris Atanasov | Boom Operator |
| Costume & Make-Up | Nora Kühnel Bates | Assistant Costume Designer |
| Costume & Make-Up | Irina Kotcheva | Costume Supervisor |
| Costume & Make-Up | Katerina Atanasova | Costume Coordinator |
| Costume & Make-Up | Velemira Petkova | Key Costumer |
| Costume & Make-Up | Yordanka Orlova | Seamstress |
| Costume & Make-Up | Marieta Duncheva | Seamstress |
| Costume & Make-Up | Enka Nikolaidu | Seamstress |
| Costume & Make-Up | Marina Proykova | Seamstress |
| Costume & Make-Up | Paul Pattison | Makeup Department Head |
| Costume & Make-Up | Paul Pattison | Hair Department Head |
| Costume & Make-Up | Lorraine Hill | Makeup Artist |
| Costume & Make-Up | Lorraine Hill | Hairstylist |
| Costume & Make-Up | Margot Boccia | Makeup Artist |
| Costume & Make-Up | Ivon Ivanova | Makeup Artist |
| Costume & Make-Up | Sarah Love | Hairstylist |
| Costume & Make-Up | Anna Andreeva | Makeup Artist |
| Costume & Make-Up | Daniela Avramova | Makeup Artist |
| Costume & Make-Up | Greta Velikova | Makeup Artist |
| Costume & Make-Up | Boika Mladenova | Makeup Artist |
| Costume & Make-Up | Mariana Mihailova | Makeup Artist |
| Costume & Make-Up | Valentin Valov | Makeup Artist |
| Costume & Make-Up | Katerina Savova | Makeup Artist |
| Costume & Make-Up | Petya Simeonova | Makeup Artist |
| Costume & Make-Up | Neli Teova | Hairstylist |
| Costume & Make-Up | Atanaska Popova | Hairstylist |
| Costume & Make-Up | Ivanka Gorchinina | Hairstylist |
| Costume & Make-Up | Yanka Doichinova | Hairstylist |
| Costume & Make-Up | Sofi Hvarleva | Hairstylist |
| Costume & Make-Up | Antoaneta Andreeva | Hairstylist |
| Costume & Make-Up | Albena Atanasova | Hairstylist |
| Costume & Make-Up | Sylvia Toshkova | Hairstylist |
| Costume & Make-Up | Vesela Toshkova | Hairstylist |
| Lighting | Pavel Mitov | Gaffer |
| Lighting | Hristo Idakiev | Best Boy Electric |
| Camera | Miroslav Borisov | Key Grip |
| Camera | Venelin Stepanov | Key Grip |
| Art | Mosko Masev | Property Master |
| Art | Paolo Faenzi | Set Decoration |
| Crew | Svetozar Karatanchev | Special Effects Coordinator |
| Production | Stasi Petrova | Production Coordinator |
| Production | Shiri Lerner | Production Coordinator |
| Production | Lily Lacheva | Production Accountant |
| Production | Clare Harlow | Casting Assistant |
| Production | Katerina Goranova | Casting Assistant |
| Crew | Toni Lalov | Transportation Coordinator |
| Crew | Katherine McCormack | Unit Publicist |
| Editing | Russ Senzatimore | First Assistant Editor |
| Editing | Jivko Chakarov | Assistant Editor |
| Editing | Teodor Simeonov | Assistant Editor |
| Sound | Bobbi Banks | ADR Supervisor |
| Sound | Kris Fenske | Sound Designer |
| Sound | Patrick Cicero | Sound Effects Editor |
| Sound | Dino DiMuro | Sound Effects Editor |
| Sound | Heather Gika | Sound Effects Editor |
| Sound | David Raines | Sound Effects Editor |
| Sound | Allen Zeleski | Sound Effects Editor |
| Sound | Martin Czembor | Sound Re-Recording Mixer |
| Sound | Lon Bender | Sound Re-Recording Mixer |
| Production | Mark Sussman | ADR Voice Casting |
| Production | Patty Connolly | ADR Voice Casting |
| Sound | John Carbonara | Music Editor |
| Sound | Selena Arizanovic | Music Supervisor |
| Sound | Lon Bender | Sound Supervisor |
| Sound | Bill R. Dean | Sound Supervisor |
| Writing | Edgar Allan Poe | Short Story |
| Crew | Tihomir Vinchev | Stunt Double |
| Crew | Georgi Stanislavov | Stunt Double |
| Crew | Radka Petkova | Stunts |
| Crew | Venelin Mishev | Stunt Double |
| Crew | Kalin Kerin | Stunt Double |
| Crew | George Karlukovski | Stunt Double |
| Crew | Milen Kaleichev | Stunt Double |
| Crew | Borislav Iliev | Stunt Double |
| Crew | Ivailo Dimitrov | Stunt Double |
