A young woman's plans to propose to her girlfriend while at her family's annual holiday party are upended when she discovers her partner hasn't yet come out to her conservative parents.
Unfortunately the movie Happiest Season is not yet available on HBO Max.
| Production | Eric Rasmussen | Production Assistant |
| Directing | Kim H. Winther | First Assistant Director |
| Production | Laurel Thomson | Production Executive |
| Production | Adam Richards | Casting Associate |
| Directing | Clea DuVall | Director |
| Production | Marty Bowen | Producer |
| Production | Isaac Klausner | Producer |
| Production | Jonathan McCoy | Executive Producer |
| Production | Wyck Godfrey | Executive Producer |
| Writing | Clea DuVall | Screenplay |
| Writing | Clea DuVall | Story |
| Writing | Mary Holland | Screenplay |
| Sound | Season Kent | Music Supervisor |
| Crew | Doug Coleman | Stunt Coordinator |
| Crew | Helena Barrett | Stunts |
| Crew | Ian Mclaughlin | Stunts |
| Crew | Anthony Mecca | Stunts |
| Crew | Kelly Richardson | Stunts |
| Crew | Ashley Pynn | Stunts |
| Crew | Emmanuel Savary | Stunts |
| Crew | Heidi Germaine Schnappauf | Stunts |
| Production | Jonathan McCoy | Unit Production Manager |
| Production | Richard E. Chapla Jr. | Unit Production Manager |
| Directing | Alyssa Batchelor | Second Assistant Director |
| Production | Jaclyn Huntling Swatt | Co-Producer |
| Art | Rob Fiks | Property Master |
| Directing | Sooze Buliavac | Script Supervisor |
| Camera | Michael W. Craven | Camera Operator |
| Camera | Rich Schutte | "B" Camera Operator |
| Camera | Deb Peterson | First Assistant Camera |
| Camera | Amanda Rotzler | First Assistant "B" Camera |
| Camera | Yev Shrayber | Second Assistant Camera |
| Camera | Dan Sotak | Second Assistant "B" Camera |
| Camera | Curtis Abbott | Digital Imaging Technician |
| Costume & Make-Up | Darcie Buterbaugh | Key Costumer |
| Costume & Make-Up | Tori Musial | Costumer |
| Costume & Make-Up | Gina Lamonica | Costumer |
| Costume & Make-Up | Lindsey Waltonbaugh | Costumer |
| Costume & Make-Up | Olivia Becker | Costumer |
| Costume & Make-Up | Stacey Panepinto | Makeup Department Head |
| Costume & Make-Up | Kimberly Amacker | Key Makeup Artist |
| Costume & Make-Up | April Schuller | Hair Department Head |
| Costume & Make-Up | Tina Fabulic | Key Hair Stylist |
| Costume & Make-Up | Alta Marie Bialon | Hairstylist |
| Lighting | Armando Ballesteros | Chief Lighting Technician |
| Lighting | Jon D. Morrison | Assistant Chief Lighting Technician |
| Lighting | Tom Morrison | Electrician |
| Lighting | Denair Isaac | Electrician |
| Lighting | Dakota Hadix | Electrician |
| Camera | Keith Seymour | Key Grip |
| Camera | Greg Edwards | Dolly Grip |
| Camera | Jason Kirker | Dolly Grip |
| Camera | Don Yockey | Grip |
| Camera | Doug Cronin | Grip |
| Camera | Taylor Flick | Grip |
| Camera | Joe Seifert | Grip |
| Sound | George Simpson | Production Sound Mixer |
| Sound | Christopher Strollo | Production Sound Mixer |
| Sound | Anthony Cargioli | Boom Operator |
| Sound | Jason Jouver | Utility Sound |
| Crew | Doug Stanczak | Video Assist Operator |
| Crew | Ray Tasillo | Special Effects Coordinator |
| Crew | Jacob Hays | Key Special Effects |
| Production | Eric Dilucente | Location Manager |
| Production | Chris Ruppenthal | Assistant Location Manager |
| Production | Bethany Dilucente | Assistant Location Manager |
| Production | Billy Cole | Production Coordinator |
| Production | Amber Robson | Assistant Production Coordinator |
| Production | James Croal Jackson | Production Secretary |
| Production | Cabernet Murray | Production Accountant |
| Production | Giela Fredman | First Assistant Accountant |
| Production | Nathan Matt | Second Assistant Accountant |
| Production | Nicole Basile | Payroll Accountant |
| Art | Buster Pile | Construction Coordinator |
| Art | Jonathan Pitcher | Construction Coordinator |
| Art | Kate Dougherty | Set Designer |
| Art | John Finnell | Art Department Coordinator |
| Art | Brad Towell | Graphic Designer |
| Art | Justin Pellisero | Leadman |
| Costume & Make-Up | Matthew McCloskey | On Set Dresser |
| Art | Angela Donatelli | Assistant Property Master |
| Crew | Rachael M. Roth | Unit Publicist |
| Camera | Lacey Terrell | Still Photographer |
| Directing | Darin Rivetti | First Assistant Director |
| Directing | Jonathan Medeiros | Second Second Assistant Director |
| Production | Chelsea Banglesdorf | Executive Producer's Assistant |
| Production | Jake Salcudean | Producer's Assistant |
| Production | Avital Siegel | Producer's Assistant |
| Production | Nathaniel Fitzgerald | Production Assistant |
| Production | Kailee Greb | Production Assistant |
| Production | Dylan McCully | Production Assistant |
| Production | Alexis Owen-Guenther | Production Assistant |
| Production | Isaac Shuppas | Production Assistant |
| Production | Mark Gazica | Production Assistant |
| Production | Jim Kateluzos | Production Assistant |
| Production | Bálint Oltvai | Production Assistant |
| Production | Nathaniel Peters | Production Assistant |
| Production | Adam Shahen | Production Assistant |
| Production | Kamari Somers | Production Assistant |
| Production | Stephanie Tolksdorf | Production Assistant |
| Production | Erin Rose Kelly | Casting Assistant |
| Production | Donna M. Belajac | Local Casting |
| Production | Chelsea Lynn Peterson | Extras Casting |
| Production | Chuck Peterson | Extras Casting |
| Crew | Ginny Minuto | Craft Service |
| Crew | Miranda Wodzinski | Craft Service |
| Crew | Dustin Derosa | Set Medic |
| Crew | Frank Conforti | Transportation Coordinator |
| Crew | Jonathan Pishko | Transportation Captain |
| Crew | Terence Mahoney | Transportation Co-Captain |
| Editing | Mark Perzely | First Assistant Editor |
| Editing | Cynthia E. Thornton | Assistant Editor |
| Crew | Dylan Martin | Post Production Assistant |
| Sound | Deb Adair | Sound Re-Recording Mixer |
| Sound | Alexandra Fehrman | Sound Re-Recording Mixer |
| Sound | Kathryn Madsen | Supervising Sound Editor |
| Sound | Matt Temple | Supervising Sound Editor |
| Sound | Frédéric Dubois | Sound Effects Editor |
| Sound | Paul Hammond | Dialogue Editor |
| Sound | Stefan Fraticelli | Foley Artist |
| Sound | Jason Charbonneau | Foley Artist |
| Sound | Ron Mellegers | Foley Mixer |
| Sound | Randy Wilson | Foley Mixer |
| Sound | Brad J. Bakelmun | Foley Mixer |
| Crew | Phil Lee | Mix Technician |
| Production | Fabiana Arrastia | ADR Voice Casting |
| Sound | Erica Weis | Music Editor |
| Sound | Amie Doherty | Orchestrator |
| Sound | Damon Tedesco | Scoring Mixer |
| Crew | Ellie Cumming | Additional Music |
| Sound | Natalie Goldstein | Music Coordinator |
| Sound | Hal Rosenfeld | Musician |
| Sound | Alyssa Park | Musician |
| Sound | Shalini Vijayan | Musician |
| Sound | Luke Maurer | Musician |
| Sound | Tim Loo | Musician |
| Editing | Natasha Leonnet | Digital Colorist |
| Editing | Loan Phan | Digital Intermediate Producer |
| Visual Effects | James Pastorius | Visual Effects Supervisor |
| Visual Effects | Brice Liesveld | Visual Effects Producer |
| Visual Effects | Liz Flush | Visual Effects Production Manager |
| Visual Effects | H Haden Hammond | VFX Artist |
| Visual Effects | Kevin Konitsch | VFX Artist |
| Visual Effects | Luke Ewing | VFX Artist |
| Visual Effects | Henry Borrasso | VFX Artist |
| Visual Effects | Tim Turner | VFX Artist |
| Costume & Make-Up | Karen Bellamy | Costume Supervisor |
| Sound | Amie Doherty | Original Music Composer |
| Camera | John Guleserian | Director of Photography |
| Editing | Melissa Bretherton | Editor |
| Production | Rich Delia | Casting |
| Art | Theresa Guleserian | Production Design |
| Art | Maggie Srmayan | Art Direction |
| Art | Shanna Worsham | Set Decoration |
| Costume & Make-Up | Kathleen Felix-Hager | Costume Design |
