Production
| Judd Apatow | Producer |
| Jake Kasdan | Producer |
| Clayton Townsend | Producer |
| Lewis Morton | Executive Producer |
Writing
| Judd Apatow | Screenplay |
| Jake Kasdan | Screenplay |
Directing
| Jake Kasdan | Director |
Camera
| Uta Briesewitz | Director of Photography |
Sound
| Michael Andrews | Original Music Composer |
Editing
| Tara Timpone | Editor |
| Steve Welch | Editor |
Costume & Make-Up
| Debra McGuire | Costume Design |
Art
| Jefferson Sage | Production Design |
Cast
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John C. Reilly | as Dewey Cox |
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Jenna Fischer | as Darlene Madison |
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Tim Meadows | as Sam |
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Kristen Wiig | as Edith |
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Raymond J. Barry | as Pa Cox |
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Harold Ramis | as L'Chai'm |
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Margo Martindale | as Ma Cox |
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Chris Parnell | as Theo |
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Matt Besser | as Dave |
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David Krumholtz | as Schwartzberg |
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Jack White | as Elvis |
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Eddie Vedder | as himself |
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Jewel Kilcher | as herself |
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Jackson Browne | as himself |
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Ghostface Killah | as himself |
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Lyle Lovett | as himself |
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Jack Black | as Paul McCartney |
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Justin Long | as George Harrison |
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Paul Rudd | as John Lennon |
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Jason Schwartzman | as Ringo Starr |
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Chip Hormess | as Nate Cox |
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Cheryl Ladd | as Herself |
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Morgan Fairchild | as Herself |
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Cheryl Tiegs | as Herself |