Tom and Janet have been happily married for years. But a visit from a mysterious stranger leads to a dead body, a lot of questions, and a tense couples' trip with friends who may not actually be friends at all.
Is Happily on Netflix? Unfortunately the movie Happily is not yet available on Netflix.
| Art | Jennifer Möller | Production Design |
| Art | Karli Watland | Set Decoration |
| Directing | Michael S. Chandler | First Assistant Director |
| Directing | Ricky Dean Monsey | Second Second Assistant Director |
| Production | Jenny Jue | Casting |
| Costume & Make-Up | Kerrin Jackson | Makeup Artist |
| Directing | Ian Campbell | Second Assistant Director |
| Crew | David St. Pierre | Stunts |
| Editing | Shane Reed | Digital Intermediate Colorist |
| Crew | Devon Elora | Stand In |
| Sound | Alan Freedman | ADR Mixer |
| Camera | Chase Jonathan Azimi | Second Assistant "B" Camera |
| Sound | Andrea von Foerster | Music Supervisor |
| Camera | Andrew Pauling | First Assistant "B" Camera |
| Lighting | Christopher Robin Faulkner | Chief Lighting Technician |
| Camera | Randy Garcia | Key Grip |
| Costume & Make-Up | Mariana Castro | Costumer |
| Costume & Make-Up | Brooke Mulkins | Costume Supervisor |
| Camera | Michael Moriatis | Still Photographer |
| Sound | Benjamin Maus | Boom Operator |
| Directing | Katie Scholz | Script Supervisor |
| Production | Richard Davis Jr. | Location Manager |
| Art | Tasha Moth | Property Master |
| Crew | Tim Mikulecky | Stunt Coordinator |
| Production | Brittany A. Jones | Casting Associate |
| Sound | Joseph Trapanese | Original Music Composer |
| Production | Grant McCord | Associate Producer |
| Production | Nancy Leopardi | Unit Production Manager |
| Writing | BenDavid Grabinski | Screenplay |
| Costume & Make-Up | Sarah Fleming | Costume Designer |
| Production | Jack Black | Producer |
| Production | Chuckie Duff | Executive Producer |
| Editing | Spencer Houck | Editor |
| Directing | BenDavid Grabinski | Director |
| Production | BenDavid Grabinski | Producer |
| Production | Kyle Newman | Executive Producer |
| Production | Dave Green | Executive Producer |
| Production | Nancy Leopardi | Producer |
| Production | Spencer Berman | Producer |
| Production | Ross Kohn | Producer |
| Camera | Adam Bricker | Director of Photography |
| Art | Justin Andrew Robinson | Leadman |
| Costume & Make-Up | Benjamin R. Voutour | On Set Dresser |
| Crew | Zach Hudson | Stunts |
| Crew | Sean Christopher | Stunts |
| Art | Maximo Huete | Set Dresser |
| Art | Spencer Steadman | Set Dresser |
| Art | Josiah Peek | Set Dresser |
| Art | Joseph Altamuro | Set Dresser |
| Costume & Make-Up | Abigail Bradley | Makeup Artist |
| Costume & Make-Up | Melissa 'Mo' Meinhart | Makeup Artist |
| Costume & Make-Up | Roxy Carmen | Hairstylist |
| Costume & Make-Up | Michelle Garcia | Hairstylist |
| Camera | Chloe Weaver | "A" Camera Operator |
| Camera | Charlie Panian | First Assistant "A" Camera |
| Camera | Mariela Ferrer | Second Assistant "A" Camera |
| Camera | Joel Marsh | "B" Camera Operator |
| Camera | Joel Marsh | Steadicam Operator |
| Camera | Chloe Weaver | Second Unit Director of Photography |
| Camera | Tyler Goeckner-Zoeller | Digital Imaging Technician |
| Camera | Alan Gwizdowski | Additional Camera |
| Camera | Parker Tolifson | Additional Camera |
| Camera | Cole Ellett | Additional First Assistant Camera |
| Camera | Paulina Bryant | Additional Second Assistant Camera |
| Camera | Christina Blanek | Camera Intern |
| Camera | Nathan Park | Camera Intern |
| Crew | Andrew Petersen | Drone Operator |
| Crew | Jake Howard | Drone Operator |
| Camera | Ashly Covington | Still Photographer |
| Lighting | Dyron Pacheco | Assistant Chief Lighting Technician |
| Camera | Michael E.H. Madrid | Best Boy Grip |
| Camera | David Nuñez | Grip |
| Camera | JD Ramage | Grip |
| Camera | Derick Holub | Grip |
| Camera | Armando Colunga | Grip |
| Camera | Ivan Garcia | Grip |
| Camera | Agyeman Johnson | Grip |
| Camera | David M. Roth | Grip |
| Camera | Edwin Allen Richards IV | Grip |
| Camera | Rob Richards | Grip |
| Camera | Jonathan Shrader | Grip |
| Camera | Ryan Haskins | Dolly Grip |
| Camera | Jared Threatt | Dolly Grip |
| Camera | Armando Colunga | Dolly Grip |
| Sound | Dennis Grzesik | Sound Mixer |
| Sound | Robbie Pugliese | Utility Sound |
| Directing | Anna Bowen | Script Supervisor |
| Production | Stephanie Moore | Production Supervisor |
| Crew | Victoria O'Brien | Production Office Assistant |
| Production | Eduardo Santillan | Assistant Location Manager |
| Production | Joey Monsey | Key Set Production Assistant |
| Crew | Jose Peña | Transportation Captain |
| Crew | Mike Moore | Craft Service |
| Crew | Kyle Holley | Pyrotechnician |
| Crew | Albert Lannutti | Pyrotechnician |
| Crew | John Communale | Special Effects Assistant |
| Crew | Simon White | Special Effects Coordinator |
| Visual Effects | Rowan Glenn | Additional Visual Effects |
| Sound | Charlotte von Foerster | Music Supervision Assistant |
| Sound | Cinnamon von Foerster | Music Supervision Assistant |
| Art | Spencer Houck | Title Designer |
| Production | Elsa Ramo | Attorney |
| Production | Erika Canchola | Attorney |
| Production | Chad Russo | Attorney |
| Editing | Josh Ethier | Additional Editing |
| Editing | Nicole Acevedo | Assistant Editor |
| Editing | Andrew James Boley | Assistant Editor |
| Sound | Dean Hurley | Supervising Sound Editor |
| Sound | Dean Hurley | Sound Re-Recording Mixer |
| Sound | Ronald Eng | Supervising Sound Editor |
| Sound | Ronald Eng | Sound Re-Recording Mixer |
| Sound | Xiao'ou Olivia Zhang | Dialogue Editor |
| Editing | Shane Reed | Colorist |
| Editing | Luis Amaya | Color Assistant |
| Production | Meredith Hight | Production Accountant |
| Production | Zsuzsa Nyitrai | Assistant Accountant |
| Crew | Christopher Layton | Specialized Driver |
| Crew | Mette-Marie Kongsved | Thanks |
| Crew | Bryan Lee O'Malley | Thanks |
| Crew | Andrew Lazar | Thanks |
| Crew | Riley Stearns | Thanks |
| Crew | Jacob Gentry | Thanks |
| Crew | Charles de Lauzirika | Thanks |
| Crew | Maggie Levin | Thanks |
| Crew | Mike Relm | Thanks |
| Crew | Josh Trank | Thanks |
| Crew | Rafael Casal | Thanks |
| Crew | Kat Dennings | Thanks |
| Crew | Natasha Lyonne | Thanks |
| Crew | Brandon Routh | Thanks |
| Crew | Steve Bencich | Thanks |
| Crew | John Henion | Thanks |
| Crew | Caitlin Forrest | Thanks |
| Crew | Lyle Hysen | Thanks |
| Crew | Jay Cohen | Thanks |
| Crew | Shane Reed | Thanks |
| Crew | Brian Message | Thanks |
| Crew | Josh Lieb | Thanks |
| Crew | Bryan Bonwell | Thanks |
| Crew | Jim Goodwin | Thanks |
| Crew | Bailey Garno | Thanks |
| Production | Ricky Rhodes | Production Assistant |
| Production | Rachel Brock | Production Assistant |
| Production | Mark Galliano | Production Assistant |
| Production | Beau Bielski | Production Assistant |
| Production | Joshua D. Powell | Production Assistant |
| Production | Kayla Mason | Production Assistant |
| Production | Samantha Little | Production Assistant |
| Production | Ivy Lam | Production Assistant |
| Production | Walker Lee | Production Assistant |
| Production | Andrew Miles | Production Assistant |
| Production | Molly Brolin | Production Assistant |
| Crew | Ruben Acevedo | Driver |
| Crew | Michael Leopardi | Driver |
| Crew | Brian Kelly | Driver |
| Crew | Jose Alvarado Jr. | Driver |
| Crew | Michael Finazzo | Driver |
| Crew | Chris Cole | Driver |
| Crew | Jason Smith | Driver |
| Crew | Jascha Dlugatch | Set Medic |
| Crew | Shane Hermanson | Set Medic |
| Crew | Ryan H. Jorabchi | Set Medic |
| Crew | Dante Rizzo | Set Medic |
| Crew | Bradley Smith | Set Medic |
| Crew | Michael Baker | Set Medic |
