Manhattan socialite begins to fear for her troubled younger brother when he starts behaving bizarrely and he seems to have been friends with a backstreet murderer.
Unfortunately the movie The Possession of Joel Delaney is not yet available on HBO Max.
| Directing | Waris Hussein | Director |
| Writing | Matt Robinson | Screenplay |
| Writing | Ramona Stewart | Novel |
| Writing | Irene Kamp | Screenplay |
| Editing | John Victor-Smith | Editor |
| Sound | Joe Raposo | Original Music Composer |
| Camera | Arthur J. Ornitz | Director of Photography |
| Costume & Make-Up | Saul Meth | Makeup Artist |
| Production | Martin Poll | Producer |
| Art | Peter Murton | Production Design |
| Production | George Justin | Executive In Charge Of Production |
| Production | Jessica Levy | Casting |
| Production | Vic Ramos | Extras Casting |
| Costume & Make-Up | Frank L. Thompson | Costume Design |
| Art | Philip Rosenberg | Art Direction |
| Art | Edward Stewart | Set Decoration |
| Costume & Make-Up | Marilyn Putnam | Wardrobe Supervisor |
| Costume & Make-Up | Lee Trent | Hairstylist |
| Directing | Alan Hopkins | Assistant Director |
| Directing | Alex Hapsas | Assistant Director |
| Directing | Michael Haley | Assistant Director |
| Camera | Lou Barlia | Camera Operator |
| Directing | Roberta Hodes | Script Supervisor |
| Sound | Richard Gramaglia | Sound |
| Sound | Dino Di Campo | Sound Editor |
| Sound | Gerry Humphreys | Sound Mixer |
| Lighting | Willie Meyerhoff | Gaffer |
| Camera | Charles Kolb | Grip |
| Sound | Joe Raposo | Music Director |
| Editing | Lyman Hallowell | Assistant Editor |
| Editing | Peter Boyle | First Assistant Editor |
