Adam and Margo's housewarming party goes well enough except there's this one mysterious couple lingering after the other guests have left.
Unfortunately the movie Who Invited Them is not yet available on HBO Max.
| Editing | Patrick Lawrence | Editor |
| Production | Patrick Lawrence | Associate Producer |
| Production | Mary Pat Bentel | Producer |
| Production | Ami Werges | Co-Producer |
| Production | Cara Chute Rosenbaum | Casting |
| Art | Nicholas D'Agostino | Art Direction |
| Art | Jade Spiers | Production Design |
| Camera | Bruce Thierry Cheung | Director of Photography |
| Crew | Benjamin Balcom | Additional Music |
| Directing | Duncan Birmingham | Director |
| Writing | Duncan Birmingham | Writer |
| Sound | Nuno Bento | Foley Artist |
| Sound | Nuno Bento | Sound Effects Editor |
| Sound | Monson Douglas | Sound Mixer |
| Sound | João Galvão | Dialogue Editor |
| Sound | João Galvão | Foley Mixer |
| Sound | Roland Vajs | Sound Re-Recording Mixer |
| Sound | Roland Vajs | Supervising Sound Editor |
| Sound | Paul Wells | Boom Operator |
| Costume & Make-Up | Jamie Richmond | Key Makeup Artist |
| Costume & Make-Up | Alyssa Morgan | Makeup Department Head |
| Costume & Make-Up | Constance Foe | Makeup Artist |
| Art | Nicolas D'Agostino | Art Direction |
| Camera | Chananun Chotrungroj | Director of Photography |
| Sound | Ben Lovett | Music |
| Crew | Gregory J. Barnett | Stunt Coordinator |
| Crew | Jeffrey G. Barnett | Stunt Coordinator |
