In a New England village, two newlywed students of the paranormal enter Hillside House to document the activities of a legion of ghosts. They uncover a murderous history that leads them into the clutches of a mysterious doctor.
Unfortunately the movie Knocking on Death's Door is not yet available on HBO Max.
| Directing | Mitch Marcus | Director |
| Writing | Craig J. Nevius | Writer |
| Production | John Brady | Co-Producer |
| Sound | Michael Portis | Music |
| Production | Mary Ann Fisher | Producer |
| Production | Roger Corman | Executive Producer |
| Crew | Harry C. Box | Cinematography |
| Editing | Daniel H. Holland | Editor |
| Costume & Make-Up | Aisling Wallace Byrne | Costume Design |
| Production | Anne Maloney | Casting |
| Art | Julian Checkley | Art Direction |
| Art | Aoife Keogh | Set Decoration |
| Art | Ian Bailie | Production Design |
| Editing | Robert L. Goodman | Editor |
| Production | Jerry Whitworth | Casting |
| Production | Jan Glaser | Casting |
| Costume & Make-Up | Grainne Daly | Key Makeup Artist |
| Production | Susan McKenna | Casting Assistant |
| Costume & Make-Up | Caroline Kelly | Wardrobe Assistant |
| Directing | Helen Brady | Script Supervisor |
| Sound | Glen Campbell | Foley Artist |
| Camera | Russ Brandt | Second Unit Director of Photography |
| Camera | Conor Crowley | Camera Loader |
| Camera | Oisin Fennell | Key Grip |
| Directing | Ivan McMahon | First Assistant Director |
| Directing | Michelle Fennessy | Second Assistant Director |
| Directing | Karen Reen | Third Assistant Director |
| Production | Jo Ni Dhomhnaill | Production Accountant |
| Directing | Mairin Ni Dhonnacha | Script Supervisor |
| Costume & Make-Up | Michael Devanney | Assistant Makeup Artist |
