Michael Cera
Fred
Jamie Kennedy
Mateus
Matthew Lillard
Himself
Frankie Muniz
Chuck
Ryan Pinkston
Mike
Patrick J. Adams
Male Voice (voice)
Denise Boutte
New Tabitha
Brian Burt
Dancer
Rich Ceraulo Ko
Angus
Vanessa Lee Chester
Charlotte
Dennis Cockrum
Len's Dad
Byron Cotton
David
Nicholas D'Agosto
Evan
Shasa Dabner
Lindsey
Christina DeRosa
Nancy
James Eckhouse
Jessica's Dad
Danny Ehrhardt
Biff
Jane Silvia
Female College Student
John Farley
Mr. Matthews
Meagen Fay
Len's Mom
Ben Feldman
Len
Dan Finnerty
Gigundocock
Adam Frost
Male College Student
Simona Fusco
Hot Blonde
JoAnna Garcia
Sweetie-Pie
Kyle Gass
Director
Murray Gershenz
Jake
Brentley Gore
Assistant Director
Dona Hardy
Molly
Danneel Ackles
Melissa
Hank Harris
Ronny
Margo Harshman
Ted's Girlfriend
Kevin Hart
Barry
Heather Hogan
Kat
Kyle Howard
Boyfriend
Antonio Hudnell
Dancer
Donna Kimball
Blue Bally (voice)
Kendra Krull
Judy
Vanessa Lengies
Carla
Philip Lenkowsky
Clerk
Margie Loomis
Older Lady
Bobbi Sue Luther
Gabriela
Sonia Rockwell
Kim
Cristin Michele
Jackie
Andy Milonakis
Justin
'Big' LeRoy Mobley
Guy #2
Ms. P.
Tabitha
Marcus T. Paulk
Wyatt
Rob Pinkston
Griffin
Allison Queal
Little Person #2
Shacolby Randell
Guy #1
Luigi Francis Shorty Rossi
Little Person #1
Jake Sandvig
Hank
Ashley Schneider
Betty
Rachel Specter
Blonde
Mindy Sterling
Jane
Anne Son
Roommate
Ed Trotta
Lincoln
Kira Verrastro
Chick
Katie Walder
Drunk Girl
Rheagan Wallace
Jessica
Jermaine Williams
Leon
Cherilyn Wilson
Stacy
Mika Winkler
Little Person #3
Royal Binion
Basketball Boner Guy (uncredited)
Pat Brymer
Blue Bally (uncredited)
Chris Cooper
FBI Agent Mike (uncredited)
Blake French
Basketball Guy (uncredited)
Aaron Haedt
Guy in Underwear (uncredited)
Lisa Richman
Jessica's Mom (uncredited)
John Westernoff
Guy in Underwear (uncredited)