Twee vreemdelingen ontmoeten elkaar in Las Vegas. Als de twee tijdens een feestje stomdronken worden besluiten ze in hun dronken bui te gaan trouwen. De volgende morgen komen ze er echter achter hoe dom ze geweest zijn, maar ze winnen ook de jackpot. Vechtend over wie de jackpot mag hebben groeien de twee dichter naar elkaar toe.
Ja! de film What Happens in Vegas is nu beschikbaar om te kijken op Netflix in Nederland.
| Sound | Christophe Beck | Original Music Composer |
| Camera | Matthew F. Leonetti | Director of Photography |
| Production | Joseph M. Caracciolo Jr. | Executive Producer |
| Writing | Dana Fox | Screenplay |
| Production | Shawn Levy | Producer |
| Production | Dean Georgaris | Producer |
| Production | Avy Kaufman | Casting |
| Directing | Tom Vaughan | Director |
| Production | Michael Aguilar | Producer |
| Editing | Matthew Friedman | Editor |
| Crew | Amy Cohn | Unit Publicist |
| Directing | Justin Ritson | Second Second Assistant Director |
| Directing | Eddie Micallef | Second Assistant Director |
| Costume & Make-Up | Renee Ehrlich Kalfus | Costume Design |
| Directing | Rose Heeter | Assistant Director |
| Production | Joshua Lucido | Trainee Production Coordinator |
| Art | Jennifer Alex Nickason | Set Decoration |
| Production | Judy Richter | Production Supervisor |
| Crew | Steve Barnett | Post Production Supervisor |
| Directing | Glen Trotiner | First Assistant Director |
| Production | Barbara McNamara | Casting |
| Art | Stuart Wurtzel | Production Design |
| Production | Arnon Milchan | Executive Producer |
| Production | Tom McNulty | Production Executive |
| Art | W. Steven Graham | Art Direction |
| Production | Jimmy Miller | Producer |
| Production | John A. Machione | Unit Production Manager |
| Directing | Joseph Aspromonti | Additional Second Assistant Director |
| Art | Susan Bode Tyson | Set Decoration |
| Production | Joseph M. Caracciolo Jr. | Unit Production Manager |
| Crew | Kimberly Shannon Murphy | Stunt Double |
| Crew | John Stifanich | Special Effects Coordinator |
| Crew | Harry Corrigan | Stunts |
| Crew | Blaise Corrigan | Stunt Coordinator |
| Crew | Jennifer Badger | Stunt Double |
| Crew | Kevin Patrick Burke | Stunt Double |
| Crew | William Cote | Stunts |
| Crew | Drew Leary | Stunts |
| Crew | Geoffrey Dowell | Stunts |
| Crew | Ian Mclaughlin | Stunt Double |
| Crew | Samantha MacIvor | Stunts |
| Crew | Victor Paguia | Stunts |
| Crew | Kimmy Suzuki | Stunt Double |
| Crew | Anthony Vincent | Stunt Double |
| Crew | John Cenatiempo | Stunts |
