Michael has a great job, has his 4 best friends, and is in love with a beautiful girl at 30. He loves Jenna but his life seems predictable until someone else enters his life. It seems that everybody's having relationship problems.
| Production | Gabriele Muccino | Executive Producer |
| Production | Marcus Viscidi | Producer |
| Writing | Paul Haggis | Screenplay |
| Production | Tom Rosenberg | Producer |
| Production | Terry McKay | Executive Producer |
| Production | Eric Reid | Executive Producer |
| Writing | Gabriele Muccino | Screenplay |
| Production | Andre Lamal | Producer |
| Production | Gary Lucchesi | Producer |
| Production | Harley Tannenbaum | Executive Producer |
| Directing | Tony Goldwyn | Director |
| Editing | Lisa Zeno Churgin | Editor |
| Sound | Michael Penn | Music |
| Art | Dan Leigh | Production Design |
| Camera | Tom Stern | Director of Photography |
| Production | Deborah Aquila | Casting |
| Costume & Make-Up | Odette Gadoury | Costume Design |
| Production | Tricia Wood | Casting |
| Directing | Rick Cranford | Script Coordinator |
| Production | Jennifer L. Smith | Casting |
| Editing | Kurt Smith | Color Timer |
| Production | Manon Bougie | Unit Production Manager |
| Directing | Pedro Gandol | First Assistant Director |
| Directing | Roxanna Macedo | Second Assistant Director |
| Production | Guendalina Ponti | Co-Producer |
| Sound | Brian McNelis | Music Supervisor |
| Crew | Marc Désourdy | Stunt Coordinator |
| Crew | Ben Gauthier | Stunts |
| Crew | Karine Lemieux | Stunts |
| Art | Gilles Aird | Art Direction |
| Art | Doris Simard | Art Department Coordinator |
| Directing | France Lachapelle | Script Supervisor |
| Camera | Stephen S. Campanelli | Camera Operator |
| Camera | Stephen S. Campanelli | Steadicam Operator |
| Art | Claude Leclair | Set Decoration |
| Art | Frédérique Bolté | Set Decoration |
| Art | Vincent Aird | Set Dresser |
| Camera | Nicolas Marion | Focus Puller |
| Camera | Eric Aubin | Camera Loader |
| Crew | Diana Tauder | Post Production Supervisor |
| Editing | Gena Bleier | First Assistant Editor |
| Crew | Stephanie Girard Hamelin | Video Assist Operator |
| Camera | Jonathan Wenk | Still Photographer |
| Sound | Patrick Rousseau | Sound Recordist |
| Sound | Maxime Ferland | Boom Operator |
| Crew | Jean-Philippe Bérubé | Cableman |
| Art | Lise Pharand | Property Master |
| Art | John-Michael Bellamy | Graphic Designer |
| Crew | Réal Hamel | Picture Car Coordinator |
| Lighting | John Lewin | Gaffer |
| Lighting | Jeff Scott | Best Boy Electric |
| Camera | Michel Périard | Key Grip |
| Camera | Pierre Charpentier | Dolly Grip |
| Camera | Joost Clerinx | Grip |
| Camera | Alain Bisson Doyal | Grip |
| Camera | Jean-Yves Denis | Grip |
| Costume & Make-Up | Réjean Goderre | Key Hair Stylist |
| Costume & Make-Up | Dominique Dupras | Hairstylist |
| Costume & Make-Up | Micheline Trépanier | Key Makeup Artist |
| Costume & Make-Up | Christophe Giraud | Makeup Artist |
| Costume & Make-Up | Julie Mignot | Assistant Makeup Artist |
| Costume & Make-Up | Rosalie Clermont-Bilodeau | Wardrobe Coordinator |
| Costume & Make-Up | Diane Daoust | Assistant Costume Designer |
| Costume & Make-Up | Suzanne Gaudreault | Seamstress |
| Sound | David Giammarco | Supervising Sound Editor |
| Sound | Kim Drummond | Dialogue Editor |
| Sound | Wayne Griffin | Dialogue Editor |
| Sound | Jonathan Klein | Sound Effects Editor |
| Sound | Scott A. Jennings | Sound Effects Editor |
| Sound | D. Chris Smith | Sound Effects Editor |
| Sound | Lise Richardson | Music Editor |
| Sound | Joe Schiff | First Assistant Sound Editor |
| Sound | Rupert Nadeau | Assistant Sound Editor |
| Sound | Galen Goodpaster | Assistant Sound Editor |
| Sound | Thomas J. O'Connell | ADR Mixer |
| Sound | Rick Canelli | ADR Recordist |
| Sound | David Giammarco | Sound Re-Recording Mixer |
| Sound | Gregory H. Watkins | Sound Re-Recording Mixer |
| Sound | Eric Flickinger | Sound Recordist |
| Sound | Chad Algarin | Sound Recordist |
| Sound | Maureen Murphy | Foley Artist |
| Sound | Elaine Stef | Assistant Foley Artist |
| Sound | Gordon Sproule | Foley Recordist |
| Production | Teresa Alvis | Post Production Accountant |
| Production | Grant Grabowski | Production Coordinator |
| Production | Benoît Mathieu | Location Manager |
| Directing | Carl Kouri | Third Assistant Director |
| Production | John Gaskin | Production Accountant |
| Crew | Daniel Ross | Transportation Coordinator |
| Production | Linda Rona | Extras Casting |
| Production | Jennifer Ricchiazzi | Casting Assistant |
| Visual Effects | Anthony 'Max' Ivins | Visual Effects Supervisor |
