During a wild vacation in Las Vegas, career woman Joy McNally and playboy Jack Fuller come to the sober realization that they have married each other after a night of drunken abandon. They are then compelled, for legal reasons, to live life as a couple for a limited period of time. At stake is a large amount of money.
Yes! The movie What Happens in Vegas is now on Disney Plus in the countries listed below.
| Directing | Tom Vaughan | Director |
| Camera | Matthew F. Leonetti | Director of Photography |
| Editing | Matthew Friedman | Editor |
| Production | Avy Kaufman | Casting |
| Production | Joseph M. Caracciolo Jr. | Executive Producer |
| Production | Dean Georgaris | Producer |
| Production | Shawn Levy | Producer |
| Writing | Dana Fox | Screenplay |
| Production | Michael Aguilar | Producer |
| Sound | Christophe Beck | Original Music Composer |
| Production | Joseph M. Caracciolo Jr. | Unit Production Manager |
| Crew | Amy Cohn | Unit Publicist |
| Crew | Kimberly Shannon Murphy | Stunt Double |
| Crew | Drew Leary | Stunts |
| Crew | Geoffrey Dowell | Stunts |
| Crew | Samantha MacIvor | Stunts |
| Crew | William Cote | Stunts |
| Crew | Anthony Vincent | Stunt Double |
| Crew | Jennifer Badger | Stunt Double |
| Crew | Kevin Patrick Burke | Stunt Double |
| Crew | Victor Paguia | Stunts |
| Crew | Harry Corrigan | Stunts |
| Crew | Kimmy Suzuki | Stunt Double |
| Crew | Blaise Corrigan | Stunt Coordinator |
| Crew | Ian Mclaughlin | Stunt Double |
| Crew | John Stifanich | Special Effects Coordinator |
| Crew | John Cenatiempo | Stunts |
| Production | Arnon Milchan | Executive Producer |
| Directing | Rose Heeter | Assistant Director |
| Production | Tom McNulty | Production Executive |
| Production | John A. Machione | Unit Production Manager |
| Art | Jennifer Alex Nickason | Set Decoration |
| Production | Judy Richter | Production Supervisor |
| Costume & Make-Up | Renee Ehrlich Kalfus | Costume Design |
| Directing | Glen Trotiner | First Assistant Director |
| Production | Barbara McNamara | Casting |
| Production | Joshua Lucido | Trainee Production Coordinator |
| Art | W. Steven Graham | Art Direction |
| Art | Stuart Wurtzel | Production Design |
| Art | Susan Bode Tyson | Set Decoration |
| Directing | Eddie Micallef | Second Assistant Director |
| Directing | Joseph Aspromonti | Additional Second Assistant Director |
| Directing | Justin Ritson | Second Second Assistant Director |
| Production | Jimmy Miller | Producer |
| Crew | Steve Barnett | Post Production Supervisor |
| Lighting | Glen Magers | Electrician |
| Costume & Make-Up | Yulia Gershenzon | Costumer |
| Lighting | William MacGhee | Electrician |
| Sound | William Stein | Recording Supervision |
| Costume & Make-Up | D. Amelia Cline | Hairstylist |
| Costume & Make-Up | Angel De Angelis | Hairstylist |
| Production | Angela Gerardo | Post Production Coordinator |
| Art | Giovanni Tartaglia | Swing |
| Sound | Terry Wilson | Music Editor |
| Camera | Mitch Lillian | Key Grip |
| Lighting | Ryan Rodriguez | Best Boy Electric |
| Sound | Delphine Robertson | Music Coordinator |
| Art | Apache Gonzalez | Set Dresser |
| Lighting | Reynaldo Barrera | Electrician |
| Production | Mazen Hassan | Production Consultant |
| Camera | Guillaume Renberg | Additional Camera |
| Camera | Hunter Langley | Grip |
| Sound | Casey Stone | Scoring Mixer |
| Crew | Eric Turner | Craft Service |
| Sound | Willard Overstreet | Foley Editor |
| Lighting | Anthony Gudino | Electrician |
| Costume & Make-Up | Katherine Disterfano | Hairstylist |
| Production | Greg Campeau | Assistant Location Manager |
| Sound | Perry Dodgson | Boom Operator |
| Costume & Make-Up | Carmia Marshall | Set Costumer |
| Crew | Gustavo R. Moya | Set Production Assistant |
| Editing | Ken Van Deest | Colorist |
| Art | Jennifer De Fouchier | Art Department Manager |
| Sound | Phillip Blackford | Scoring Mixer |
| Visual Effects | Patrick Clancey | Visual Effects Coordinator |
