 | Jason Lee als Paul Morse |
 | Selma Blair als Karen Cooper |
 | Julia Stiles als Becky Jackson |
 | Shawn Hatosy als Jim |
 | Lochlyn Munro als Ray Donovan |
 | James Brolin als Ken Cooper |
 | Diana Scarwid als Sandra Cooper |
 | David Koechner als Buck |
 | Julie Hagerty als Dorothy |
 | Thomas Lennon als Pete |
 | Larry Miller als Minister Ferris (uncredited) |
 | Jackie Burroughs als Aunt Budge |
 | Jay Brazeau als Howard |
 | Matthew Walker als Minister Green |
 | Fred Ewanuick als Jeff |
 | Lisa Calder als Tonya |
 | Dan Joffre als Larry |
 | Michael Teigen als Lou |
 | Will Sanderson als Bachelor Party Guy |
 | Dave McGowan als Bachelor Party Guy |
 | Jonathon Young als Bachelor Party Guy |
| Daniel McKellar als Bachelor Party Guy |
 | Scott Williams als The Buddy Scott Trio |
| Josef Pelletier als The Buddy Scott Trio |
| Joe Sather als The Buddy Scott Trio |
| Alexander Farquharson als Nephew |
| Brody Smith als Leo Ferris |
 | Miriam Smith als Mrs. Ferris |
 | John Destry als Angry Driver |
 | Paul McGillion als Curt |
 | Gina Stockdale als Gladys |
| Michael Sunczyk als Tony |
 | Zahf Paroo als Ahmed |
 | Noel Fisher als Acne-Faced Teen |
 | Enid-Raye Adams als Maid of Honor |
 | Ben Immanuel als Officer |
 | Dee Jay Jackson als Officer |
 | Keith Dallas als Spend Mart Clerk |
 | Donavon Stinson als Mouthy Bar Guy |
 | Victor Varnado als Hansberry |
 | Larry Musser als Ernie |
 | Ron Selmour als Doc |
| Gus Lynch als Agent Harris |
 | Fiona Hogan als Agent Roberts |
 | Xantha Radley als Ken's Secretary |
 | Leslie Jones als Sales Employee |
 | Chris Wilding als Beaten Suspect |
 | Andy Thompson als Guy In Washroom |
 | Colin Foo als Phil |
 | Natassia Malthe als Melanie |
 | Shawn Bordoff als Guy on Sofa |
 | Anita Brown als Laundromat Girl |
| Doris Blomgren als Elderly Shopper |
| Benjamin Ettenberg als Zulu Patron |
| Bonnie Kean als Drug Store Twin |
| Jean Kean als Drug Store Twin |
| Stephanie Thorpe als Shopper |
 | Clayton Watmough als Police Officer |
 | Peter New als Guy in Tiki Bar Bathroom |
 | Jared Van Snellenberg als Guy on Moped |
 | Damon Johnson als Tollbooth Operator (uncredited) |
 | Tseng Chang als Grocer (uncredited) |
| David Ladd | Producer |
| Pete Schwaba | Screenplay |
| David Nicksay | Producer |
| Greg Glienna | Screenplay |
| Robbie Greenberg | Director of Photography |
| David Moritz | Editor |
| Chris Koch | Director |
| Matt Tarses | Screenplay |
| Bill Wrubel | Screenplay |
| Mark Mothersbaugh | Original Music Composer |
| Rick Pearce | Stunts |
| Dan Davis | Production Design |
| Risa Bramon Garcia | Casting |
| Brennan Dufresne | Casting |
| Patrick Banister | Art Direction |
| Eugene Mazzola | Assistant Director |
| Danielle Sterling | Co-Producer |
| David Kerwin | Co-Producer |
| Maureen Crowe | Music Supervisor |
| Pamela Withers | Costume Designer |
| Greg Glienna | Story |
| George Chapman | Unit Production Manager |
| Bill Mizel | First Assistant Director |
| Ryan Kosmynka | Second Assistant Director |
| David Nicksay | Unit Production Manager |
| Viktoria Langton | Choreographer |
| Susan Lehmann | Choreographer |
| Mike Vézina | Stunt Coordinator |
| Jim Dunn | Stunts |
| Kristene Kenward | Stunts |
| Jeffrey C. Robinson | Stunts |
| Heath Stevenson | Stunts |
| Greg Schlosser | Stunts |
| George Josef | Stunts |
| Coreen Mayrs | Location Casting |
| Heike Brandstatter | Location Casting |
| Michael D. Wilhoit | Supervising Sound Editor |
| Tony Lamberti | Supervising Sound Editor |
| Marc Fishman | Sound Re-Recording Mixer |
| Tony Lamberti | Sound Re-Recording Mixer |
| Julian Fisher | Sound Re-Recording Mixer |
| Lesley Beale | Set Decoration |
| Jeremy Stanbridge | Assistant Art Director |
| Sandra Matossi | Production Accountant |
| Jessica Clothier | Script Supervisor |
| Boris Ivanov | Production Coordinator |
| Monty Rowan | "A" Camera Operator |
| Ciarán Copelin | First Assistant "A" Camera |
| Bradley Crosbie | Second Assistant "A" Camera |
| Ron Precious | "B" Camera Operator |
| Elizabeth House | First Assistant "B" Camera |
| Aki Shigematsu | Second Assistant "B" Camera |
| Nathaniel Massey | Steadicam Operator |
| Diyah Pera | Still Photographer |
| Rob Parisien | Video Assist Operator |
| Chooch Paglaro | 24 Frame Playback |
| John Dekker | Assistant Chief Lighting Technician |
| James L. Hurford | Key Grip |
| Ron Bowen | Second Company Grip |
| Paul Sheridan | Dolly Grip |
| Kirk Johns | Location Manager |
| David Tarris | Assistant Location Manager |
| Janice Genn | Third Assistant Director |
| Gina Zappala | First Assistant Editor |
| Conor O'Neill | Editorial Production Assistant |
| Sherry Snodgrass | Editorial Production Assistant |
| Kerry Ann Carmean | Sound Effects Editor |
| Lisle Engle | Sound Effects Editor |
| Scott Sanders | Sound Effects Editor |
| Randy Kelley | Sound Effects Editor |
| Bruce Tanis | Sound Effects Editor |
| Dino DiMuro | Sound Effects Editor |
| David Stanke | Assistant Sound Editor |
| Katrina Siegmund | Assistant Sound Editor |
| Laura Harris Atkinson | Dialogue Editor |
| Kimaree Long | Dialogue Editor |
| Jeffrey Wilhoit | Foley Artist |
| James Moriana | Foley Artist |
| Nerses Gezalyan | Foley Mixer |
| Kelly Oxford | ADR Editor |
| Ann Hadsell | ADR Mixer |
| Wendy Hoffman | ADR Voice Casting |
| Larry Sutton | Production Sound Mixer |
| Tony Giacinti | Boom Operator |
| Carmen Lavender | Cableman |
| Matthew Sullivan | Music Coordinator |
| Chris McGeary | Supervising Music Editor |
| Steven A. Saltzman | Music Editor |
| Christopher Guardino | Orchestrator |
| Christopher Guardino | Conductor |
| Nancy Duggan | Assistant Costume Designer |
| Marie Matson | Additional Music |
| Suzanne Armstrong | Costume Set Supervisor |
| Anne Burke | Truck Costumer |
| Susi A. Hill | Set Costumer |
| Rosalina Da Silva | Key Makeup Artist |
| Shannon Coppin | Makeup Artist |
| Donna Bis | Key Hair Stylist |
| Dean Scheck | Hairstylist |
| Wayne McLaughlin | Property Master |
| Marta McLaughlin | Assistant Property Master |
| Catherine Leighton | Assistant Property Master |
| Daphne Klebe | Art Department Coordinator |
| Karen Brookes | Set Decorating Coordinator |
| Faye Thorp | Assistant Set Decoration |
| Shirley Wiebe | Set Buyer |
| Sandy Walker | Set Buyer |
| Paul Jenkinson | Lead Set Dresser |
| Steve Lamare | On Set Dresser |
| Peter Grace | Construction Coordinator |
| John Beatty | Construction Foreman |
| Dean Rossmo | Construction Buyer |
| Dino Centanni | Standby Carpenter |
| Dale Preibe | Standby Carpenter |
| Marko Lytviak | Paint Coordinator |
| Dan Petrescu | Lead Painter |
| Rob Boulet | Standby Painter |
| Jim Green | Greensman |
| Slava Shmakin | Art Department Assistant |
| Gord Davis | Special Effects Coordinator |
| Barry Chapman | Transportation Coordinator |
| Rod Patten | Transportation Captain |
| Julia Frittaion | Unit Publicist |
| Linda Sheehy-Brownstei | Assistant Production Coordinator |
| Daniel McKellar | Assistant Production Coordinator |
| Michele Barber | Assistant Accountant |
| Aubree Watson | Actor's Assistant |
| Chuck Martinez | Actor's Assistant |
| Vatche Manoukian | Producer's Assistant |
| Darren Kaliciak | Producer's Assistant |
| Jen Lansky | Casting Assistant |
| Errin Lally | Casting Assistant |
| Jody Ryan | Key Set Production Assistant |
| Theresa Repola Mohammed | Negative Cutter |
| Michael Schatz | Color Timer |
| Dawn Charette | Production Assistant |
| Jason Durocher | Production Assistant |
| Qadesh Markowski | Production Assistant |
| Chris McFarlane | Production Assistant |
| Tyler McIntyre | Production Assistant |
| Darin Mickelson | Production Assistant |
| Dimitreius Sagriotis | Production Assistant |
| Linda Stewart | Production Assistant |
| Trevor Undi | Production Assistant |
| Max Steele | Production Assistant |
| Julie de Guzman | Production Assistant |
| Sandra Couldwell | Extras Casting |
| Mike Vézina | Second Unit Director |
| Les Erskine | Second Unit Director of Photography |
| Douglas Dean III | Second Unit First Assistant Director |
| David B. Nowell | Aerial Director of Photography |
| Eugene Mazzola | Unit Production Manager |
| Peter Allen | Location Manager |
| Zita Mazzola | Production Coordinator |
| Barbara Brown | Script Supervisor |
| A. Anthony Cappello | First Assistant Camera |
| Bob Webeck | Second Assistant Camera |
| Bryan Pennington | Dolby Consultant |
