A mentally disturbed young woman takes a job at a posh country club and falls in with a clique of wealthy college kids where she's taken under the wing of the clique's twisted leader, who harbors some dark secrets too terrifying to tell.
Unfortunately the movie The In Crowd is not yet available on HBO Max.
| Writing | Mark Gibson | Writer |
| Directing | Mary Lambert | Director |
| Writing | Philip Halprin | Writer |
| Production | Michael I. Rachmil | Executive Producer |
| Production | James G. Robinson | Producer |
| Production | Jonathan A. Zimbert | Executive Producer |
| Camera | Tom Priestley Jr. | Director of Photography |
| Editing | Pasquale Buba | Editor |
| Art | John D. Kretschmer | Production Design |
| Art | Steve Davis | Set Decoration |
| Costume & Make-Up | Jennifer Bryan | Costume Design |
| Crew | Tina Mckissick | Stunts |
| Directing | Buddy Joe Hooker | Second Unit Director |
| Production | David Robinson | Associate Producer |
| Production | Pam Dixon | Casting |
| Costume & Make-Up | Kerrie R. Plant | Key Makeup Artist |
| Costume & Make-Up | Beatrice De Alba | Hair Department Head |
| Costume & Make-Up | Taylor Knight | Key Hair Stylist |
| Costume & Make-Up | Nicki Ledermann | Key Makeup Artist |
| Costume & Make-Up | Kyra Panchenko | Makeup Artist |
| Costume & Make-Up | Darwin Hensley | Makeup Artist |
| Costume & Make-Up | Jeff Goodwin | Makeup Artist |
| Directing | John E. Vohlers | First Assistant Director |
| Directing | Eric Tignini | Second Assistant Director |
| Sound | Michael E. Lawshe | Supervising Sound Editor |
| Sound | Kevin E. Carpenter | Sound Re-Recording Mixer |
| Sound | Gregory H. Watkins | Sound Re-Recording Mixer |
| Crew | Cal Johnson | Stunt Coordinator |
| Crew | Lisa Hickey | Stunts |
| Crew | Jodi Lyn Brockton | Stunts |
| Crew | Steve Filmore | Stunts |
| Crew | Dale Frye | Stunts |
| Crew | Lex D. Geddings | Stunts |
| Crew | Anderson Martin | Stunts |
| Crew | Lonnie R. Smith Jr. | Stunts |
| Crew | Jodi Michelle Pynn | Stunts |
| Lighting | Dan Cornwall | Gaffer |
| Crew | Michele Waitman | Stunts |
| Costume & Make-Up | Vanessa Davis | Additional Hairstylist |
| Costume & Make-Up | JoJo Guthrie | Additional Hairstylist |
| Costume & Make-Up | Patricia McAlhany Glasser | Additional Hairstylist |
| Production | Ann Dunsford | Production Supervisor |
| Production | George Manasse | Unit Production Manager |
| Crew | David Toma | Post-Production Manager |
| Directing | Rebecca Stefan | Second Second Assistant Director |
| Art | Coleen Balance | Set Designer |
| Art | Roger Beaudoin | Construction Coordinator |
| Crew | Judi Bell | Scenic Artist |
| Art | Richard M. Cole | Construction Foreman |
| Art | Lee Donaldson | Greensman |
| Art | Brian Avery Galligan | Assistant Property Master |
| Crew | Joe Golz | Propmaker |
| Art | Geoffrey S. Grimsman | Set Designer |
| Art | Ted J. Koch | Property Master |
| Crew | Alton McClellan | Charge Scenic Artist |
| Crew | Rick Mobbs | Scenic Artist |
| Art | Matthew H. Morris | Property Buyer |
| Crew | William Rampey | Propmaker |
| Art | Cindy Seay | Greensman |
| Art | Bob Smith | Leadman |
| Sound | Nancie Araki | Dialogue Editor |
| Sound | Timothy A. Cleveland | Sound Effects Editor |
| Sound | Virginia Cook-McGowan | Dialogue Editor |
| Sound | Jeff Cranford | Assistant Sound Editor |
| Sound | Laverne Dewberry | ADR Recordist |
| Sound | Paul J. Diller | Sound Editor |
| Sound | Thom 'Coach' Ehle | Dolby Consultant |
| Sound | Catherine Flynn | Dialogue Editor |
| Sound | Karyn Foster | Dialogue Editor |
| Sound | Terry Garcia | Assistant Sound Editor |
| Sound | Eric Gotthelf | Foley Mixer |
| Sound | Todd Harris | Assistant Sound Editor |
| Sound | Douglas L. Hill | Boom Operator |
| Sound | David Horton Jr. | Foley Editor |
| Sound | David M. Horton | Foley Editor |
| Sound | Mark R. La Pointe | Dialogue Editor |
| Sound | Marshall McGee | Sound Assistant |
| Sound | Chris Munyon | Foley Recordist |
| Sound | Troy Porter | ADR Mixer |
| Sound | Steven R. Smith | Production Sound Mixer |
| Sound | Andrew Somers | Sound Effects Editor |
| Sound | Bryan O. Watkins | ADR Mixer |
| Sound | Lisa K. Wolf | Assistant Sound Editor |
| Sound | Michael Piotrowski | Utility Sound |
| Crew | Gary Pilkinton | Special Effects Technician |
| Crew | Kathleen Tonkin | Special Effects Coordinator |
| Crew | Barbara Vazquez | Special Effects |
| Visual Effects | Robert Vazquez | Special Effects Supervisor |
| Crew | Michael J. Hudson | Special Effects Technician |
| Crew | Dara Fischetti | Stunts |
| Crew | Linda Ruff | Stunts |
| Camera | William 'Bill' Allanson II | Best Boy Grip |
| Camera | Steve Calalang | Camera Loader |
| Camera | Tom Cioccio | Camera Loader |
| Lighting | Stephen Crowley | Rigging Gaffer |
| Camera | Kelly Curry | Best Boy Grip |
| Lighting | Rusty Edmonson | Lighting Technician |
| Lighting | David Ellis | Electrician |
| Lighting | Dale Fowler | Best Boy Electric |
| Camera | John Gilchrist Jr. | Best Boy Grip |
| Camera | Jonathan Herron | Camera Operator |
| Camera | Robert Lau | Camera Loader |
| Crew | Otto Lindsey | Video Assist Operator |
| Camera | Malcolm MacIntosh | "B" Camera Operator |
| Camera | Jeff Moore | "B" Camera Operator |
| Lighting | Harrison Palmer | Electrician |
| Camera | David E. Poole | Dolly Grip |
| Camera | Andrew Priestley | First Assistant Camera |
| Camera | Mike Repeta | First Assistant "B" Camera |
| Lighting | John David Reynolds | Electrician |
| Camera | Darrell B. Sheldon | Dolly Grip |
| Lighting | John R. Sutton | Key Rigging Grip |
| Camera | Arthur Szefer | Second Assistant Camera |
| Camera | Michael Tackett | Still Photographer |
| Camera | John Verardi | First Assistant Camera |
| Camera | Dennis Zoppe | Key Grip |
| Lighting | Simon Carey | Electrician |
| Production | Richard Futch | Extras Casting |
| Production | Shay Bentley Griffin | Local Casting |
| Production | Barbara Harris | ADR Voice Casting |
| Production | Margaret Mullins | Extras Casting |
| Production | Rebecca Rian | Casting Assistant |
| Costume & Make-Up | Yvonne Battistelli | Set Costumer |
| Costume & Make-Up | Patricia Buckley-Moss | Tailor |
| Costume & Make-Up | Maggie Burback | Set Costumer |
| Costume & Make-Up | Yvonne R. Fraser | Set Costumer |
| Costume & Make-Up | Karen Keyes | Set Costumer |
| Costume & Make-Up | Carol Sadler | Costume Supervisor |
| Costume & Make-Up | Michaell Keith Taylor Jr. | Set Costumer |
| Crew | Ryan Chan | Post Production Assistant |
| Editing | Andrew Drapkin | Digital Colorist |
| Editing | Suzy Gilbert | Assistant Editor |
| Crew | Eric D. Graham | Post Production Assistant |
| Editing | Ray Neapolitan | Assistant Editor |
| Editing | Jeff Smithwick | Color Timer |
| Production | Charles Poulnot | Assistant Location Manager |
| Production | Stephen Yetman | Location Manager |
| Sound | Jeff Rona | Original Music Composer |
| Crew | James S. Levine | Additional Music |
| Sound | Robin Lynn | Music Consultant |
| Sound | Doc McGhee | Music Supervisor |
| Sound | Alan Meyerson | Scoring Mixer |
| Sound | Frank Rand | Assistant Music Supervisor |
| Sound | Joel J. Richard | Musician |
| Sound | Brian Richards | Music Editor |
| Directing | Jennifer Opresnick | Script Supervisor |
| Crew | Kenneth Bennett | Cast Driver |
| Crew | Wayne Jones | Transportation Captain |
| Crew | Brett Leslie | Driver |
| Crew | Joey Ricker | Driver |
| Crew | Lee Siler | Transportation Coordinator |
| Crew | Scott Siler | Driver |
| Sound | Devin Corey | ADR & Dubbing |
| Production | David 'Kam' Coyner | Producer's Assistant |
| Production | Robin Cross | First Assistant Accountant |
| Production | Kirstie Field | Producer's Assistant |
| Crew | Jillian Gallant | Set Production Assistant |
| Crew | Sherie Graham | Production Office Assistant |
| Production | Nancy Jacklyn | Production Secretary |
| Art | Keva Keyes | Assistant Production Design |
