A New York stockbroker introduces a girlfriend to his buddy from out of town, then regrets it.
Unfortunately the movie Threesome is not yet available on HBO Max.
| Directing | Lou Antonio | Director |
| Writing | Lawrence B. Marcus | Writer |
| Costume & Make-Up | Joe Cuervo | Makeup Artist |
| Camera | Adam Holender | Director of Photography |
| Production | Ron Roth | Producer |
| Art | Justin Scoppa Jr. | Set Decoration |
| Sound | Angela Morley | Original Music Composer |
| Editing | John F. Link | Editor |
| Art | Ward Macintosh | Production Design |
| Costume & Make-Up | John Boxer | Costume Design |
| Costume & Make-Up | Joseph Coscia | Hairstylist |
| Sound | Sam Horta | Sound Editor |
| Sound | James Sabat | Sound Mixer |
| Writing | Herbert Gold | Novel |
| Directing | Nathalie Vadim | Second Assistant Director |
| Sound | Robert Drasnin | Music Supervisor |
| Art | Leslie Bloom | Property Master |
| Crew | Tim Gallin | Stunts |
| Crew | Jery Hewitt | Stunt Coordinator |
| Lighting | Ray Quinlan | Gaffer |
| Directing | Lillian O. MacNeill | Script Supervisor |
| Directing | Ellen H. Schwartz | Assistant Director Trainee |
| Production | John H. Starke | Unit Production Manager |
| Crew | Scott Leva | Stunt Double |
| Directing | Alex Hapsas | First Assistant Director |
