De advocaat Fletcher Reid is een geboren leugenaar. Wanneer zijn zoontje Max de kaarsjes van de taart voor zijn vijfde verjaardag uitblaast, wenst hij dat zijn vader eens zou stoppen met liegen. Als zijn wens uitkomt blijkt dat Fletcher's grootste voordeel (zijn mond), ineens zijn grootste nadeel wordt.
| Directing | Tom Shadyac | Director |
| Crew | Simone Boisseree | Stunts |
| Production | Michael Bostick | Executive Producer |
| Camera | Russell Boyd | Director of Photography |
| Production | Junie Lowry-Johnson | Casting |
| Production | Ron Surma | Casting |
| Sound | John Debney | Original Music Composer |
| Production | James D. Brubaker | Executive Producer |
| Editing | Don Zimmerman | Editor |
| Production | Brian Grazer | Producer |
| Editing | Dean Zimmerman | Assistant Editor |
| Writing | Paul Guay | Writer |
| Writing | Stephen Mazur | Writer |
| Crew | Spice Williams-Crosby | Stunts |
| Camera | John Janusek | Key Grip |
| Camera | Nico Bally | Grip |
| Art | Ric McElvin | Set Decoration |
| Camera | Harry K. Garvin | Steadicam Operator |
| Costume & Make-Up | Fríða Aradóttir | Hairstylist |
| Costume & Make-Up | John J. Bradley | Set Dressing Artist |
| Crew | Pat Banta | Stunts |
| Art | Stephanie J. Gordon | Assistant Art Director |
| Crew | Charles Drake | Craft Service |
| Art | Mike Carrillo | Property Master |
| Sound | Gaston Biraben | Dialogue Editor |
| Lighting | Ron Ash | Best Boy Electric |
| Art | Linda DeScenna | Production Design |
| Art | Dennis DeWaay | Construction Coordinator |
| Editing | Scott Hill | First Assistant Editor |
| Art | Richard Toyon | Art Direction |
| Camera | Don Reddy | Camera Operator |
| Crew | Peter McKernan | Aerial Coordinator |
| Crew | Angela Bertolino | Stand In |
| Crew | Dotan Bonen | Security |
| Crew | Sean Buck | Set Production Assistant |
| Lighting | Richard Smock | Rigging Gaffer |
| Production | Arlene Kehela | Location Manager |
| Crew | Pat Jackson | Studio Teachers |
| Crew | Greg Salmon | Cableman |
| Lighting | Randy Alderson | Electrician |
| Art | Thomas Betts | Set Designer |
| Costume & Make-Up | Elaine Maser | Costume Supervisor |
| Production | Tina Fortenberry | Production Supervisor |
| Sound | José Antonio García | Sound Mixer |
| Costume & Make-Up | Cammy R. Langer | Key Hair Stylist |
| Crew | Jeff Plauster | Propmaker |
| Sound | Dennis Johnson | Sound Recordist |
| Directing | Josh King | First Assistant Director |
| Camera | Alan R. Disler | First Assistant Camera |
| Camera | Melinda Sue Gordon | Still Photographer |
| Crew | Bonnie Alden | Driver |
| Crew | Burt Dalton | Special Effects Coordinator |
| Directing | Susan Bierbaum | Script Supervisor |
| Production | Scott Genkinger | Casting Associate |
| Sound | Randall Guth | First Assistant Sound Editor |
| Visual Effects | Robert Stadd | Visual Effects Producer |
| Costume & Make-Up | Judy L. Ruskin | Costume Design |
| Art | Ashley Fardys | Art Department Coordinator |
| Art | Steve Callas | Construction Foreman |
| Art | Nancy Gilmore | Leadman |
| Crew | John Bocchicchio | Set Medic |
| Sound | Jonathan Fuh | Boom Operator |
| Crew | Jeff Matakovich | Digital Effects Supervisor |
| Crew | Scott Hill | Visual Effects Editor |
| Sound | Jeff Carson | Music Supervisor |
| Costume & Make-Up | Julie Hewett | Makeup Artist |
| Costume & Make-Up | Nena Smarz | Key Makeup Artist |
| Sound | Brad Dechter | Orchestrator |
| Sound | Michael Hilkene | Supervising Sound Editor |
| Crew | Mickey Gilbert | Stunt Coordinator |
| Crew | John A. Brubaker | Transportation Captain |
| Crew | Tina M. Arter-Duquette | Transportation Coordinator |
| Crew | Deborah Simmrin | Unit Publicist |
| Production | Gretchen van Zeebroeck | Production Coordinator |
| Crew | Stanley W. Pratt | Chef |
| Production | James D. Brubaker | Unit Production Manager |
| Editing | Jim Passon | Color Timer |
| Visual Effects | Jon Farhat | Visual Effects Supervisor |
| Crew | Tim Gilbert | Stunts |
| Crew | Gene LeBell | Stunts |
| Sound | Mark Ryan | Music Editor |
| Art | Ed Jones | Greensman |
| Crew | Bob Herron | Stunts |
| Directing | Mickey Gilbert | Second Unit Director |
| Directing | Seth Edelstein | Second Second Assistant Director |
| Costume & Make-Up | Amy Schmiederer | Assistant Makeup Artist |
| Costume & Make-Up | Lisa Cacavas | Costumer |
| Crew | Kevin Bowers | Special Effects Technician |
| Crew | Pat Banta | Stunt Double |
| Lighting | Stephen Johnstone | Assistant Chief Lighting Technician |
| Art | Paul Luther Jackson | Swing |
| Sound | John T. Stanhope | Apprentice Sound Editor |
| Production | Michael Morgenthal | Second Assistant Accountant |
| Camera | Jason LaMell | Camera Production Assistant |
| Sound | John Debney | Conductor |
| Visual Effects | Reid Burns | Digital Effects Producer |
| Sound | Petra Bach | ADR Editor |
| Camera | Steven J. Winslow | Assistant Camera |
| Sound | John T. Cucci | Foley Artist |
| Production | Tony Giglio | Production Assistant |
| Lighting | Patrick Murray | Chief Lighting Technician |
| Production | Joe McGlynn | Director of Operations |
| Sound | Linda Lew | Foley Recordist |
| Production | Justine Arteta | Casting Assistant |
| Sound | Neal J. Anderson | ADR Mixer |
| Sound | James Ashwill | Foley Mixer |
| Visual Effects | Scott Harper | Additional Visual Effects |
| Camera | John Beran | Dolly Grip |
| Crew | Jamal Clark | Intern |
| Production | Michael Bo Wat | Payroll Accountant |
| Editing | Dan Zimmerman | Assistant Editor |
| Editing | Michael Healey | Colorist |
| Editing | Marlen Hill | Negative Cutter |
| Sound | J.J. George | Supervising Music Editor |
| Production | Linda Fields Hill | Executive Assistant |
| Sound | Rick Canelli | ADR Recordist |
| Production | Jeremy Alter | Assistant Location Manager |
| Production | Glen Richard | First Assistant Accountant |
| Art | Dan Sweetman | Storyboard Artist |
| Sound | Douglas Parker | Second Assistant Sound |
| Production | Marisol Jiménez | Assistant Production Coordinator |
| Production | Ruben Flores | Production Secretary |
| Camera | David Garden | Second Assistant Camera |
| Production | Douglas Barrett Netter | Art Department Production Assistant |
| Crew | Mary Peters | Stunts |
| Crew | Janek Sirrs | Digital Supervisor |
