Cast 74
Christina Payano
Tina Ellroy (16 episodes)Loser Girl (3 episodes)

Jay Baruchel
Steven Karp (16 episodes)

Carla Gallo
Lizzie Exley (16 episodes)

Charlie Hunnam
Lloyd Haythe (16 episodes)

Monica Keena
Rachel Lindquist (16 episodes)

Seth Rogen
Ron Garner (16 episodes)

Timm Sharp
Marshall Nesbitt (16 episodes)

Loudon Wainwright III
Hal Karp (16 episodes)

Jarrett Grode
Perry (9 episodes)
Leroy Adams
Adam (4 episodes)Samoan (2 episodes)Football Player (1 episode)
P.B. Smiley
P.B. (3 episodes)Student (2 episodes)

Matthew McKane
Taint (2 episodes)Frat Guy (1 episode)Marion (1 episode)

Kevin Rankin
Lucien (3 episodes)

Jason Segel
Eric (2 episodes)

Amy Poehler
Hillary (2 episodes)

Jenna Fischer
Sorority Girl (1 episode)Betty (1 episode)

Kevin Hart
Luke (2 episodes)

Gerry Bednob
Mr. Burundi (2 episodes)

Alexandra Breckenridge
(1 episode)Celeste (1 episode)

David Krumholtz
Greg (2 episodes)

Kyle Gass
Eugene (2 episodes)

Samm Levine
Books (2 episodes)

Natasha Melnick
Jenni (2 episodes)

Lacey Beeman
Brandi (2 episodes)

Jake Hoffman
Lee (2 episodes)

Jeremy Howard
Totem Pole (2 episodes)
Seth St. Laurent
Beast Whore (2 episodes)

Kevin Christy
Pledge (2 episodes)

Busy Philipps
Kelly (2 episodes)

Ben Stiller
Rex (1 episode)

Joel McKinnon Miller
Mr. Nesbitt (1 episode)

Sarah Carter
Evie (1 episode)

Kimberly Stewart
Amanda Haythe (1 episode)

Lizzy Caplan
Beautiful Girl (1 episode)

Simon Helberg
Jack (1 episode)

Tom Welling
Tom (1 episode)

Geoffrey Arend
Jimmy (1 episode)

Adam Alexi-Malle
Professor Burg (1 episode)
Joel Madison
Customer (1 episode)

R.F. Daley
Customer (1 episode)
Mandy Freund
Red Headed Woman (1 episode)
Jennifer Shon
Pretty Girl (1 episode)

Will Ferrell
Dave (1 episode)
Elaine Curtis
Pretty Girl (1 episode)

Katharine Towne
Rebecca (1 episode)

Elisa Bocanegra
Nicola (1 episode)
Mark Allan Staubach
Dormie #1 (1 episode)

Jonathan Loughran
Himself (1 episode)
jarrett grode
Perry (1 episode)

Greg Mottola
Young Professor (1 episode)

Adam Sandler
Himself (uncredited) (1 episode)

Allen Covert
Himself (uncredited) (1 episode)

Fred Willard
Professor Duggan (1 episode)
Joanne Cho
Susuki (1 episode)

Amy Wright
Debra (1 episode)

Cathy Lind Hayes
Mrs. Nesbitt (1 episode)

Mary Kay Place
Mrs. Lindquist (1 episode)

Steve Bannos
Dingleberry (1 episode)

Sarah Jane Morris
Jana (1 episode)
David Silverstein
Guy in Elevator (1 episode)

Blake Shields
Henry (1 episode)

Clement Blake
Antonio (1 episode)

Kelly Karbacz
Jane (1 episode)

Alexa Davalos
Susan (1 episode)
Bhavana Kundanmal
Taj (1 episode)

Erica Hubbard
Gloria (1 episode)

Stephanie Lemelin
Tara (1 episode)

Martin Starr
Theo (1 episode)

Youki Kudoh
Kikuki (1 episode)
Casey James Durante
Casemo (1 episode)

Sarah Ann Morris
Janice (1 episode)
Kim Fifield
Alice (1 episode)
Costume & Make-Up 1
Wendi Lynn Avignone
Makeup Artist (16 episodes)
Crew 1

Judd Apatow
Creator (16 episodes)
Directing 7

Greg Mottola
Director (8 episodes)

John Hamburg
Director (4 episodes)

Judd Apatow
Director (3 episodes)

Jay Chandrasekhar
Director (3 episodes)

Paul Feig
Director (2 episodes)

Jake Kasdan
Director (1 episode)

Jon Favreau
Director (1 episode)
Production 1

Judd Apatow
Producer (16 episodes)
Writing 9

Judd Apatow
Writer (10 episodes)Story (1 episode)

Seth Rogen
Story Editor (3 episodes)Writer (3 episodes)Teleplay (1 episode)

Nicholas Stoller
Writer (3 episodes)Story Editor (3 episodes)
Jenni Konner
Story Editor (3 episodes)Writer (1 episode)
Alexandra Rushfield
Story Editor (3 episodes)Writer (1 episode)

Rodney Rothman
Writer (3 episodes)

Kristofor Brown
Writer (3 episodes)
Joel Madison
Writer (3 episodes)
Brent Forrester
Writer (1 episode)