Paul Morse wordt de ochtend na zijn vrijgezellenfeest wakker in bed naast Becky. Hij gaat er van uit dat hij zijn verloofde Karen heeft bedrogen. Vol schuldgevoelens doen hij er alles aan om het voorval te verbergen in de week voor de bruiloft.
Nee, helaas is A Guy Thing nog niet beschikbaar op Netflix in Nederland.
| Writing | Matt Tarses | Screenplay |
| Production | David Ladd | Producer |
| Writing | Greg Glienna | Screenplay |
| Editing | David Moritz | Editor |
| Camera | Robbie Greenberg | Director of Photography |
| Directing | Chris Koch | Director |
| Writing | Pete Schwaba | Screenplay |
| Writing | Bill Wrubel | Screenplay |
| Production | David Nicksay | Producer |
| Sound | Mark Mothersbaugh | Original Music Composer |
| Art | Sandy Walker | Set Buyer |
| Costume & Make-Up | Steve Lamare | On Set Dresser |
| Art | Dan Petrescu | Lead Painter |
| Art | Daphne Klebe | Art Department Coordinator |
| Art | Rob Boulet | Standby Painter |
| Costume & Make-Up | Shannon Coppin | Makeup Artist |
| Costume & Make-Up | Donna Bis | Key Hair Stylist |
| Art | Catherine Leighton | Assistant Property Master |
| Art | Dean Rossmo | Construction Buyer |
| Art | Dale Preibe | Standby Carpenter |
| Art | Karen Brookes | Set Decorating Coordinator |
| Art | Paul Jenkinson | Lead Set Dresser |
| Art | Faye Thorp | Assistant Set Decoration |
| Art | Dino Centanni | Standby Carpenter |
| Art | Marta McLaughlin | Assistant Property Master |
| Costume & Make-Up | Dean Scheck | Hairstylist |
| Art | Peter Grace | Construction Coordinator |
| Art | John Beatty | Construction Foreman |
| Art | Shirley Wiebe | Set Buyer |
| Art | Wayne McLaughlin | Property Master |
| Art | Jim Green | Greensman |
| Art | Slava Shmakin | Art Department Assistant |
| Art | Marko Lytviak | Paint Coordinator |
| Crew | Gord Davis | Special Effects Coordinator |
| Production | Linda Sheehy-Brownstei | Assistant Production Coordinator |
| Production | Michele Barber | Assistant Accountant |
| Crew | Julia Frittaion | Unit Publicist |
| Crew | Rod Patten | Transportation Captain |
| Production | Daniel McKellar | Assistant Production Coordinator |
| Crew | Barry Chapman | Transportation Coordinator |
| Crew | Aubree Watson | Actor's Assistant |
| Editing | Theresa Repola Mohammed | Negative Cutter |
| Crew | Chuck Martinez | Actor's Assistant |
| Production | Jen Lansky | Casting Assistant |
| Production | Vatche Manoukian | Producer's Assistant |
| Production | Darren Kaliciak | Producer's Assistant |
| Editing | Michael Schatz | Color Timer |
| Production | Errin Lally | Casting Assistant |
| Production | Jody Ryan | Key Set Production Assistant |
| Production | Danielle Sterling | Co-Producer |
| Crew | Greg Schlosser | Stunts |
| Production | Heike Brandstatter | Location Casting |
| Production | Boris Ivanov | Production Coordinator |
| Directing | Ryan Kosmynka | Second Assistant Director |
| Crew | Susan Lehmann | Choreographer |
| Crew | Mike Vézina | Stunt Coordinator |
| Writing | Greg Glienna | Story |
| Directing | Bill Mizel | First Assistant Director |
| Crew | Jeffrey C. Robinson | Stunts |
| Art | Jeremy Stanbridge | Assistant Art Director |
| Sound | Lisle Engle | Sound Effects Editor |
| Sound | Matthew Sullivan | Music Coordinator |
| Crew | Viktoria Langton | Choreographer |
| Sound | Michael D. Wilhoit | Supervising Sound Editor |
| Sound | Maureen Crowe | Music Supervisor |
| Sound | Julian Fisher | Sound Re-Recording Mixer |
| Production | Sandra Matossi | Production Accountant |
| Camera | Elizabeth House | First Assistant "B" Camera |
| Camera | Paul Sheridan | Dolly Grip |
| Production | David Tarris | Assistant Location Manager |
| Production | Wendy Hoffman | ADR Voice Casting |
| Sound | Tony Lamberti | Supervising Sound Editor |
| Camera | Ron Bowen | Second Company Grip |
| Camera | Monty Rowan | "A" Camera Operator |
| Sound | Randy Kelley | Sound Effects Editor |
| Sound | Kimaree Long | Dialogue Editor |
| Sound | James Moriana | Foley Artist |
| Camera | Ciarán Copelin | First Assistant "A" Camera |
| Sound | Scott Sanders | Sound Effects Editor |
| Sound | Bruce Tanis | Sound Effects Editor |
| Sound | Ann Hadsell | ADR Mixer |
| Camera | Nathaniel Massey | Steadicam Operator |
| Editing | Gina Zappala | First Assistant Editor |
| Sound | Katrina Siegmund | Assistant Sound Editor |
| Sound | Jeffrey Wilhoit | Foley Artist |
| Sound | Tony Lamberti | Sound Re-Recording Mixer |
| Sound | Tony Giacinti | Boom Operator |
| Production | George Chapman | Unit Production Manager |
| Production | Coreen Mayrs | Location Casting |
| Crew | Jim Dunn | Stunts |
| Sound | Marc Fishman | Sound Re-Recording Mixer |
| Camera | Ron Precious | "B" Camera Operator |
| Editing | Sherry Snodgrass | Editorial Production Assistant |
| Camera | Bradley Crosbie | Second Assistant "A" Camera |
| Visual Effects | Chooch Paglaro | 24 Frame Playback |
| Sound | Dino DiMuro | Sound Effects Editor |
| Sound | Laura Harris Atkinson | Dialogue Editor |
| Sound | Chris McGeary | Supervising Music Editor |
| Sound | Christopher Guardino | Orchestrator |
| Costume & Make-Up | Susi A. Hill | Set Costumer |
| Crew | George Josef | Stunts |
| Directing | Jessica Clothier | Script Supervisor |
| Sound | Nerses Gezalyan | Foley Mixer |
| Art | Lesley Beale | Set Decoration |
| Crew | Rob Parisien | Video Assist Operator |
| Camera | James L. Hurford | Key Grip |
| Directing | Janice Genn | Third Assistant Director |
| Editing | Conor O'Neill | Editorial Production Assistant |
| Sound | Kerry Ann Carmean | Sound Effects Editor |
| Sound | David Stanke | Assistant Sound Editor |
| Production | David Kerwin | Co-Producer |
| Costume & Make-Up | Pamela Withers | Costume Designer |
| Production | David Nicksay | Unit Production Manager |
| Crew | Kristene Kenward | Stunts |
| Crew | Heath Stevenson | Stunts |
| Sound | Kelly Oxford | ADR Editor |
| Crew | Carmen Lavender | Cableman |
| Camera | Aki Shigematsu | Second Assistant "B" Camera |
| Camera | Diyah Pera | Still Photographer |
| Sound | Larry Sutton | Production Sound Mixer |
| Production | Kirk Johns | Location Manager |
| Sound | Steven A. Saltzman | Music Editor |
| Costume & Make-Up | Rosalina Da Silva | Key Makeup Artist |
| Costume & Make-Up | Nancy Duggan | Assistant Costume Designer |
| Costume & Make-Up | Suzanne Armstrong | Costume Set Supervisor |
| Sound | Christopher Guardino | Conductor |
| Crew | Marie Matson | Additional Music |
| Lighting | John Dekker | Assistant Chief Lighting Technician |
| Costume & Make-Up | Anne Burke | Truck Costumer |
| Production | Linda Stewart | Production Assistant |
| Production | Sandra Couldwell | Extras Casting |
| Production | Zita Mazzola | Production Coordinator |
| Production | Chris McFarlane | Production Assistant |
| Sound | Bryan Pennington | Dolby Consultant |
| Production | Dawn Charette | Production Assistant |
| Production | Julie de Guzman | Production Assistant |
| Production | Trevor Undi | Production Assistant |
| Directing | Barbara Brown | Script Supervisor |
| Production | Eugene Mazzola | Unit Production Manager |
| Directing | Douglas Dean III | Second Unit First Assistant Director |
| Directing | Mike Vézina | Second Unit Director |
| Production | Qadesh Markowski | Production Assistant |
| Production | Tyler McIntyre | Production Assistant |
| Production | Darin Mickelson | Production Assistant |
| Production | Jason Durocher | Production Assistant |
| Production | Dimitreius Sagriotis | Production Assistant |
| Camera | A. Anthony Cappello | First Assistant Camera |
| Camera | Les Erskine | Second Unit Director of Photography |
| Camera | David B. Nowell | Aerial Director of Photography |
| Production | Max Steele | Production Assistant |
| Camera | Bob Webeck | Second Assistant Camera |
| Production | Peter Allen | Location Manager |
| Crew | Rick Pearce | Stunts |
| Art | Dan Davis | Production Design |
| Art | Patrick Banister | Art Direction |
| Production | Brennan Dufresne | Casting |
| Production | Risa Bramon Garcia | Casting |
| Directing | Eugene Mazzola | Assistant Director |
| Crew | Bob Casale | Score Engineer |
| Crew | Lavant Coppock | Score Engineer |
| Crew | Victoria James | Clearances Coordinator |
