John C. Reilly
Dewey Cox
Acting
Jenna Fischer
Darlene Madison
Acting
Raymond J. Barry
Pa Cox
Acting
Kristen Wiig
Edith
Acting
Tim Meadows
Sam
Acting
Harold Ramis
L'Chaim
Directing
Margo Martindale
Ma Cox
Acting
Chris Parnell
Theo
Acting
Matt Besser
Dave
Acting
Nat Faxon
Awards Show Stage Manager
Acting
Conner Rayburn
Dewey Age 8
Acting
Chip Hormess
Nate
Acting
Terrence Beasor
Country Doctor
Acting
Honeyboy Edwards
Old Bluesman
Acting
Gerry Black
Harmonica Player
Acting
Aron Johnson
Teenage Band
Acting
Jack Donovan Saperstein
Teenage Band
Acting
Taylor Hubert
Teenage Band
Acting
Christopher Hurt
Teenage Band
Acting
Matt Price
MC (Teacher)
Acting
John Maynard
Man at Talent Show
Acting
E.J. Callahan
Second Man at Talent Show
Acting
Rance Howard
Preacher
Acting
Craig Robinson
Bobby Shad
Acting
Paul Bates
Nightclub Manager
Acting
Patrick Faucette
Bad Men Bass Player
Acting
Phil Rosenthal
Mazeltov
Writing
Martin Starr
Schmendrick
Acting
Oscar Dillon
Audience Guy at Nightclub
Acting
Jack McBrayer
DJ
Acting
Molly C. Quinn
Teen with Pinups
Acting
John Ennis
The Big Bopper
Acting
Frankie Muniz
Buddy Holly
Acting
Ed Helms
Stage Manager
Acting
Jack White
Elvis Presley
Acting
Angela Little
Beth Anne
Acting
Odette Annable
Reefer Girl
Acting
Tyler Nilson
Bert
Directing
Deanna Brooks
Hotel Groupie with Dewey
Acting
Ian Roberts
Drug Dealer
Acting
Steve Bannos
Prison Guard
Acting
Willow Geer
Rehab Nurse
Acting
David Doty
Rehab Doctor
Acting
Jack Kehler
Press Conference Reporter
Acting
Gerry Bednob
The Maharishi
Acting
David Krumholtz
Schwartzberg
Acting
Tim Bagley
Engineer
Acting
Jane Lynch
Gail the Television Reporter
Acting
Skyler Gisondo
Dewdrop
Acting
Kshitij Pendurkar
Dewey Rahim
Acting
Simon Helberg
Dreidel L'Chaim
Acting
Jacques Slade
Lil' Nutzzak
Acting
Danica Rozelle
Music Video Girl
Acting
Lurie Poston
Cox Kid
Acting
Maggie Mannion
Cox Kid
Art
Jackson Browne
Jackson Browne
Acting
Jewel
Jewel
Acting
Lyle Lovett
Lyle Lovett
Acting
Stacey Scowley
Pierced Eyebrow Girl
Acting
Ajla Hodžić
Pierced Lip Girl
Acting
Ghostface Killah
Ghostface Killah
Acting
Otis Williams
The Temptations
Acting
Ron Tyson
The Temptations
Acting
Terry Weeks
The Temptations
Acting
Joe Herndon
The Temptations
Acting
Bruce Williamson
The Temptations
Acting
Eddie Vedder
Eddie Vedder
Acting
Jack Black
Paul McCartney (uncredited)
Acting
Paul Rudd
John Lennon (uncredited)
Acting
Justin Long
George Harrison (uncredited)
Acting
Jason Schwartzman
Ringo Starr (uncredited)
Acting
Patrick J. Adams
The Kid (uncredited)
Acting
Clement Blake
Edith's Father (uncredited)
Acting
Patrick Duffy
Patrick Duffy (uncredited)
Acting
Morgan Fairchild
Morgan Fairchild (uncredited)
Acting
Paul Feig
Different DJ (uncredited)
Directing
Amber Hay
LSD Vision (uncredited)
Acting
John Michael Higgins
Record Producer (uncredited)
Acting
Jonah Hill
Older Nate (uncredited)
Acting
Neil Ironfield
Dewey's Child (uncredited)
Acting
Cheryl Ladd
Cheryl Ladd (uncredited)
Acting
Cheryl Tiegs
Cheryl Tiegs (uncredited)
Acting
Serria Tawan
70's African American Woman (uncredited)
Acting
Adam Herschman
Jerry Garcia (uncredited)
Acting
John D. Crawford
Officer Clark
Acting