 | Ben Stiller als Jerry Stahl |
 | Elizabeth Hurley als Sandra |
 | Maria Bello als Kitty |
 | Owen Wilson als Nicky |
 | Lourdes Benedicto als Vola |
 | Peter Greene als Gus |
 | Cheryl Ladd als Pamela Verlaine |
 | Fred Willard als Craig Ziffer |
 | Charles Fleischer als Allen from Mr. Chompers |
 | Janeane Garofalo als Jana Farmer |
 | Connie Nielsen als Dagmar |
 | Sandra Oh als Friend |
 | Jerry Stahl als Dr. Murphy |
 | Jay Paulson als Phoenix Punk |
 | Spencer Garrett als Brad / Tim from Mr. Chompers |
 | Chauncey Leopardi als Jerry at 16 |
 | Mary Thompson als Grandma White |
 | Liz Torres als Dita |
 | Douglas Spain als Miguel |
| Scott Williamson als Gary Warren |
 | Nancye Ferguson als Nurse |
 | Sam Anderson als Dr. Olson |
 | John Prosky als Cop |
 | Andy Dick als 'Damian', Talk Show Guest |
 | Lainie Kazan als Jerry's Mother at Funeral |
| Daniel Hartley als Benny (uncredited) |
| David Veloz | Director |
| David Veloz | Writer |
| Richard Hicks | Casting |
| Jerry Fleming | Production Design |
| Ronnie Yeskel | Casting |
| Cara Silverman | Editor |
| Daniel Licht | Music |
| Ryan Ong | Art Direction |
| Steven Weisberg | Editor |
| Betty Berberian | Set Decoration |
| Robert D. Yeoman | Director of Photography |
| Don Murphy | Producer |
| Jane Hamsher | Producer |
| Jerry Stahl | Novel |
| Lori Grabowski | Script Supervisor |
| Jeff Rabhan | Music Supervisor |
| Louise Mingenbach | Costume Design |
| Lori Eskowitz | Costume Design |
| Robert Leveen | Co-Producer |
| Yalda Tehranian | Executive Producer |
| Eddie Perez | Stunt Coordinator |
| Jeff Cadiente | Stunts |
| Clint Jones | Stunts |
| Frank Torres | Stunts |
| Susan McNamara | Production Manager |
| Joel Jeffrey Nishimine | First Assistant Director |
| Jaleh Teymourian | Second Assistant Director |
| Beau J. Genot | Post Production Supervisor |
| Stephen Grubbs | Supervising Sound Editor |
| Peter Austin | Supervising Sound Editor |
| David E. Fluhr | Sound Re-Recording Mixer |
| Adam Jenkins | Sound Re-Recording Mixer |
| Don Digirolamo | Sound Re-Recording Mixer |
| Aaron Levy | Sound Recordist |
| Storn Peterson | First Assistant Camera |
| Dustin Blauvelt | "B" Camera Operator |
| Tim Barry | First Assistant "B" Camera |
| John Johnson | Still Photographer |
| Robin Mulcahy Fisichella | Production Coordinator |
| Eric Enroth | Sound Mixer |
| Lionel Luna | Boom Operator |
| Martin Leeper | Gaffer |
| Bryan Booth | Best Boy Electric |
| Dominik Feller | Electrician |
| Scott Froschauer | Dolly Grip |
| Erik Capek | Key Rigging Grip |
| Mary Walbridge | Costume Supervisor |
| Andrea Federman | Key Costumer |
| Christina Bartolucci | Key Makeup Artist |
| Edward St. George | Key Hair Stylist |
| Heba Thorisdottir | Makeup & Hair |
| Lynn Taylor-Wood | Hairstylist |
| Mark Anderson | Property Master |
| Denise Anderson | Assistant Property Master |
| Patricia Kruijer | Art Department Coordinator |
| Terry Hargis | Leadman |
| Lynell Bangs | Production Accountant |
| Herb Ankrom | Assistant Production Coordinator |
| Jennifer Levy | Casting Assistant |
| Barbara Issak | Dialogue Editor |
| Dennis Gray | Dialogue Editor |
| Gary Lewis | Dialogue Editor |
| Paul Longstaffe | Dialogue Editor |
| Brian Thomas Nist | Sound Effects Editor |
| Eric A. Norris | Sound Effects Editor |
| Linda Keim | Sound Effects Editor |
| David Melhase | ADR Editor |
| Peter Austin | ADR Editor |
| Lee Tinkham | ADR Mixer |
| Dean Drabin | ADR Mixer |
| Brian Ruberg | ADR Mixer |
| Joan Chamberlain | ADR Recordist |
| Cary Stratton | ADR Recordist |
| Sandy Holt | ADR Voice Casting |
| Mike Flicker | Music Editor |
| Rick Downey | Negative Cutter |
| Harry Muller | Color Timer |
| James Wright | Dolby Consultant |
| Thomas DeWier | Stunts |
