Sam Weir
John Francis Daley
Lindsay Weir
Linda Cardellini
Sam Weir
John Daley
Neal Schweiber
Samm Levine
Bill Haverchuck
Martin Starr
Daniel Desario
James Franco
Nick Andopolis
Jason Segel
Kim Kelly
Busy Philipps
Ken Miller
Seth Rogen
Harold Weir
Joe Flaherty
Jean Weir
Becky Ann Baker
Jeff Rosso
Dave "Gruber" Allen
Cindy Sanders
Natasha Melnick
Coach Ben Fredricks
Tom Wilson
Miss Foote
Leslie Mann
Mrs. Schweiber
Amy Aquino
Kim Kelly's Stepfather
Jack Conley
Amy Andrews
Jessica Campbell
Frank Kowchevski
Steve Bannos
Mr. Andopolis
Kevin Tighe
Mr. Fleck
Steve Higgins
Cookie Kelly
Ann Dowd
Toby
Kevin Corrigan
Gloria Haverchuck
Claudia Christian
Dr. Vic Schweiber
Sam McMurray
Eli
Ben Foster
Discotheque DJ
Joel Hodgson
Colin
Jarrett Lennon
Millie Kentner
Sarah Hagan
Sean
Shaun Weiss
Barry Schweiber
David Krumholtz
Howie Gelfand
Jason Schwartzman
Todd Schellinger
Riley Smith
Karen Scarfolli
Rashida Jones
Vicki Appleby
JoAnna Garcia
Salesman
David Bowe
Sara
Lizzy Caplan
Alan White
Chauncey Leopardi
Gordon Crisp
Jerry Messing
The Cheerleader
Brianna Brown
Jenna Zank
Shawnee Free Jones
Housewife
Susan Krebs
Harris Trinsky
Stephen Lea Sheppard
Frank
Doug Spinuzza
Maureen Sampson
Kayla Ewell
Mrs. Whitman
Hariet S. Miller
Carol Dr. Schweiber's Mistress
Tava Smiley
Agent Meara
Ben Stiller
Hector Lacovara
Trace Beaulieu
Mike Stevens
Matthew McKane
Seidleman
Ron Lester