An aspiring writer gets involved in the investigation of her best friend after she is killed while having an affair.
Is Extramarital on Netflix? Unfortunately the movie Extramarital is not yet available on Netflix.
| Art | Jacqueline Masson | Production Design |
| Production | Joseph Merhi | Producer |
| Costume & Make-Up | Jolie Anna Jimenez | Costume Design |
| Production | Alan Siegel | Executive Producer |
| Production | Richard Pepin | Producer |
| Art | Darla R. Hitchcock | Set Decoration |
| Production | Jeff Fahey | Associate Producer |
| Sound | José J. Herring | Music |
| Editing | John Gilbert | Editor |
| Production | Shelley Browning | Executive Producer |
| Production | Paul G. Volk | Post Production Producer |
| Camera | Mark Skilton | Director of Photography |
| Costume & Make-Up | Faith Griffin | Makeup Trainee |
| Sound | Ben Zarai | Sound Re-Recording Mixer |
| Sound | Kenneth Skoglund | Dialogue Editor |
| Sound | Kenneth Skoglund | Sound Re-Recording Mixer |
| Crew | Justin Lundin | Stunts |
| Production | John J. Kelly | Line Producer |
| Crew | Cole S. McKay | Stunts |
| Production | Don O'Melveny | Associate Producer |
| Sound | Gonzalo 'Bino' Espinoza | ADR Recordist |
| Sound | Gonzalo 'Bino' Espinoza | Foley Recordist |
| Sound | Sanaa Kelley | Foley Artist |
| Costume & Make-Up | Kelly M. Beatty | Special Effects Makeup Artist |
| Sound | Ben Zarai | Sound Supervisor |
| Sound | Ben Zarai | Dialogue Editor |
| Production | Gaby K. Malouf | Co-Producer |
| Costume & Make-Up | Erin Braus-Guth | Hairstylist |
| Sound | David Kitchens | Foley Artist |
| Costume & Make-Up | Faith Griffin | Hair Assistant |
| Sound | Ben Zarai | ADR Editor |
| Crew | Christina Ritzi | Stunts |
| Sound | Kenneth Skoglund | Sound Effects Editor |
| Editing | Joan Wrzala | Editor |
| Production | Mark Sikes | Casting |
| Crew | Jennifer Watson-Johnston | Stunts |
| Lighting | Adam Teichman | Gaffer |
| Camera | Rafael Winer | Still Photographer |
| Crew | Patrick J. Statham | Stunts |
| Camera | Kirill Davidoff | Second Unit Director of Photography |
| Directing | Judy Lang | Script Supervisor |
| Costume & Make-Up | Robin McMullan | Wardrobe Assistant |
| Camera | Jeffrey G. Hunt | Steadicam Operator |
| Writing | Don O'Melveny | Screenplay |
| Directing | Yael Russcol | Director |
| Directing | Frank Pinnock | First Assistant Director |
| Production | Traci Lords | Executive Producer |
| Production | Juliet Green | Executive Producer |
| Directing | Justin Lundin | Second Unit Director |
| Crew | Joseph L. Gardner | Stunt Coordinator |
| Production | Craig Ayers | Unit Production Manager |
| Directing | Brian Tyler | Second Assistant Director |
| Directing | Marty Pistone | Second Assistant Director |
| Sound | Alexandra Patsavas | Music Supervisor |
| Directing | Tanya Baxtel | Second Second Assistant Director |
| Camera | Paul Janossy | First Assistant Camera |
| Camera | Adam Ward | Second Assistant Camera |
| Camera | Bela Trutz | Steadicam Operator |
| Camera | Kenji Luster | Steadicam Operator |
| Camera | Jason Lioi | Key Grip |
| Camera | Brad Siskind | Best Boy Grip |
| Camera | Matthew Schodorf | Best Boy Grip |
| Lighting | Adam Dodds | Best Boy Electric |
| Editing | Debra Dawn Carr | Assistant Editor |
| Sound | Jim Mustol | Sound Mixer |
| Sound | Natalie English | Boom Operator |
| Art | David Vance | Set Decoration |
| Art | Jeff Dyer | Set Dresser |
| Art | Lisa Pederson | Set Dresser |
| Art | Josh Frazier | Set Dresser |
| Art | Brendon Crigler | Property Master |
| Costume & Make-Up | Erin Braus-Guth | Key Makeup Artist |
| Costume & Make-Up | Susan Ham | Assistant Makeup Artist |
| Costume & Make-Up | Susan Ham | Assistant Hairstylist |
| Costume & Make-Up | Sally Fahey | Makeup Artist |
| Production | Tara-Anne DiGirolamo | Casting Assistant |
| Directing | Bryan Goeres | Second Unit First Assistant Director |
| Sound | Debra Dawn Carr | ADR Supervisor |