"Following a childhood tragedy, Dewey Cox follows a long and winding road to music stardom. Dewey perseveres through changing musical styles, an addiction to nearly every drug known and bouts of uncontrollable rage."
John C. Reilly
as Dewey Cox
Jenna Fischer
as Darlene Madison
Raymond J. Barry
as Pa Cox
Kristen Wiig
as Edith
Tim Meadows
as Sam
Harold Ramis
as L'Chaim
Margo Martindale
as Ma Cox
Chris Parnell
as Theo
Matt Besser
as Dave
Nat Faxon
as Awards Show Stage Manager
Conner Rayburn
as Dewey Age 8
Chip Hormess
as Nate
Terrence Beasor
as Country Doctor
Honeyboy Edwards
as Old Bluesman
Gerry Black
as Harmonica Player
Aron Johnson
as Teenage Band
Jack Donovan Saperstein
Taylor Hubert
Christopher Hurt
Matt Price
as MC (Teacher)
John Maynard
as Man at Talent Show
E.J. Callahan
as Second Man at Talent Show
Rance Howard
as Preacher
Craig Robinson
as Bobby Shad
Paul Bates
as Nightclub Manager
Patrick Faucette
as Bad Men Bass Player
Phil Rosenthal
as Mazeltov
Martin Starr
as Schmendrick
Oscar Dillon
as Audience Guy at Nightclub
Jack McBrayer
as DJ
Molly C. Quinn
as Teen with Pinups
John Ennis
as The Big Bopper
Frankie Muniz
as Buddy Holly
Ed Helms
as Stage Manager
Jack White
as Elvis Presley
Angela Little
as Beth Anne
Odette Annable
as Reefer Girl
Tyler Nilson
as Bert
Deanna Brooks
as Hotel Groupie with Dewey
Ian Roberts
as Drug Dealer
Steve Bannos
as Prison Guard
Willow Geer
as Rehab Nurse
David Doty
as Rehab Doctor
Jack Kehler
as Press Conference Reporter
Gerry Bednob
as The Maharishi
David Krumholtz
as Schwartzberg
Tim Bagley
as Engineer
Jane Lynch
as Gail the Television Reporter
Skyler Gisondo
as Dewdrop
Kshitij Pendurkar
as Dewey Rahim
Simon Helberg
as Dreidel L'Chaim
Jacques Slade
as Lil' Nutzzak
Danica Rozelle
as Music Video Girl
Lurie Poston
as Cox Kid
Maggie Mannion
Jackson Browne
as Jackson Browne
Jewel
as Jewel
Lyle Lovett
as Lyle Lovett
Stacey Scowley
as Pierced Eyebrow Girl
Ajla Hodžić
as Pierced Lip Girl
Ghostface Killah
as Ghostface Killah
Otis Williams
as The Temptations
Ron Tyson
Terry Weeks
Joe Herndon
Bruce Williamson
Eddie Vedder
as Eddie Vedder
Jack Black
as Paul McCartney (uncredited)
Paul Rudd
as John Lennon (uncredited)
Justin Long
as George Harrison (uncredited)
Jason Schwartzman
as Ringo Starr (uncredited)
Patrick J. Adams
as The Kid (uncredited)
Clement Blake
as Edith's Father (uncredited)
Patrick Duffy
as Patrick Duffy (uncredited)
Morgan Fairchild
as Morgan Fairchild (uncredited)
Paul Feig
as Different DJ (uncredited)
Amber Hay
as LSD Vision (uncredited)
John Michael Higgins
as Record Producer (uncredited)
Jonah Hill
as Older Nate (uncredited)
Neil Ironfield
as Dewey's Child (uncredited)
Cheryl Ladd
as Cheryl Ladd (uncredited)
Cheryl Tiegs
as Cheryl Tiegs (uncredited)
Serria Tawan
as 70's African American Woman (uncredited)
Adam Herschman
as Jerry Garcia (uncredited)
John D. Crawford
as Officer Clark
Anne Rapp
Script Supervisor
Michael Herron
Video Assist Operator
David M. Roberts
Boom Operator
Jim Rollins
Special Effects Technician
Barrett J. Leigh
Production Coordinator
Anthony Lattanzio
Construction Coordinator
Eric Sundahl
Set Designer
Timothy M. Earls
Paul Birk
Rigging Gaffer
John Pritchett
Production Sound Mixer
David Sammons
"B" Camera Operator
Cha Blevins
Costume Supervisor
Paul Goodstein
Key Grip
Scott Lingard
Donald Frazee
Special Effects Coordinator
Chad C. Barrow
Key Rigging Grip
Boyd Wilson
Location Manager
Steven Samanen
Assistant Art Director
David Linck
Unit Publicist
Denny Caira
Transportation Captain
Brad Brock
Foley Mixer
Anne Fletcher
Choreographer
Darren King
Dialogue Editor
Barbara Noren
Assistant Sound Editor
Gary A. Hecker
Foley Artist
Gemma La Mana
Still Photographer
Kristina M. Peterson
Second Second Assistant Director
Dan Yale
Foley Editor
Robert Grieve
Sound Designer
Mark Freund
Visual Effects Supervisor
Fernand Bos
Music Editor
Mo Henry
Negative Cutter
Michael J. Benavente
Michael J. Broomberg
Tom Kramer
Ruby Stillwater
Joel Shryack
Supervising Sound Editor
Yann Delpuech
Sound Effects Editor
Howard London
ADR Mixer
John Persichetti
Digital Colorist
Anne Couk
Jeena M. Phelps
Winifred Clements
Key Costumer
Tom Calderaro
Orchestrator
Bethany Orlemann
First Assistant Editor
Shaughnessy Hare
Amy McIntyre Britt
Casting
Carey Dietrich
First Assistant Director
Bradley Morris
Second Assistant Director
Claudette Didul
Set Decoration
Associate Producer
Tom Wolfe
Music Supervisor
Malosi Leonard
Stunt Coordinator
Domenic Silvestri
Art Direction
Clayton Townsend
Unit Production Manager
Sean Mannion
Property Master
Manish Raval
Melvin Mar
Anya Colloff
Andrew Epstein
Lew Morton
Executive Producer
Jefferson Sage
Production Design
Judd Apatow
Producer
Uta Briesewitz
Director of Photography
Jake Kasdan
Screenplay
Steve Welch
Editor
Director
Debra McGuire
Costume Design
Michael Andrews
Original Music Composer
Tara Timpone
Luci Romberg
Stunts
Matt Leonard
Jake Garber
Makeup Artist
Suzanne Diaz
Beth Klein
Leslie Devlin
Justin Stafford
Terry Leonard
Michael T. Brady
Tonia Forsberg
Kym Stys
Teri Garland
Mark Muñoz
Laura Dash
Dennis C. Borba
Justin Gant
Mandy Kowalski
Cliff McLaughlin
Sam Situmorang
Robin Mulcahy Fisichella
Production Supervisor
Timothy James Kane
First Assistant "A" Camera
Rigney Sackley
Second Assistant "A" Camera
Chris Cuevas
First Assistant "B" Camera
Paul Tilden
Second Assistant "B" Camera
Nick Theodorakis
Digital Imaging Technician
Annie Hill
Costumer
Catherine Hahn
Jennifer Iizuka Palmer
Nancy Jarzynko
Bob Moore Jr.
Nino
Kim Ayers
Key Makeup Artist
John Blake
Makeup Department Head
Lori Guidroz
Hair Department Head
Sheila Cyphers-Leake
Key Hair Stylist
Paul McIlvaine
Chief Lighting Technician
Matt Bardocz
Assistant Chief Lighting Technician
Clint J. Borden
Best Boy Grip
Pete Asidilla
Dolly Grip
Kenneth E. King
Chuck McSorley
Leadman
Ari Jacobs
Art Department Coordinator
Bennet Silver
On Set Dresser
Michael Glynn
Assistant Property Master
Michael V. Nicolo
Casting Associate
Deedra Ricketts
Extras Casting
Hugh Ross
Assistant Editor
Shaun Aprahamian
Tateum Kohut
Sound Re-Recording Mixer
Gregg Landaker
Bill W. Benton
Caitlin McKenna
ADR Voice Casting
Phillip Hoffman
Visual Effects Producer
John Campuzano
Visual Effects Coordinator
John Mossotti
3D Artist
Scott Koche
Second Assistant Camera