Undeclared

Jay Baruchel

Steven Karp· 16 ep

Carla Gallo

Lizzie Exley· 16 ep

Charlie Hunnam

Lloyd Haythe· 16 ep

Monica Keena

Rachel Lindquist· 16 ep

Seth Rogen

Ron Garner· 16 ep

Timm Sharp

Marshall Nesbitt· 16 ep

Loudon Wainwright III

Hal Karp· 16 ep

Jarrett Grode

Perry· 9 ep

Leroy Adams

Adam· 7 ep

P.B. Smiley

P.B.· 5 ep

Matthew McKane

Taint· 4 ep

Christina Payano

Tina Ellroy· 3 ep

Kevin Rankin

Lucien· 3 ep

Jason Segel

Eric· 2 ep

Amy Poehler

Hillary· 2 ep

Jenna Fischer

Betty· 2 ep

Kevin Hart

Luke· 2 ep

Gerry Bednob

Mr. Burundi· 2 ep

Alexandra Breckenridge

· 2 ep

David Krumholtz

Greg· 2 ep

Kyle Gass

Eugene· 2 ep

Samm Levine

Books· 2 ep

Natasha Melnick

Jenni· 2 ep

Lacey Beeman

Brandi· 2 ep

Jake Hoffman

Lee· 2 ep

Jeremy Howard

Totem Pole· 2 ep

Seth St. Laurent

Beast Whore· 2 ep

Kevin Christy

Pledge· 2 ep

Busy Philipps

Kelly· 2 ep

Ben Stiller

Rex· 1 ep

Joel McKinnon Miller

Mr. Nesbitt· 1 ep

Sarah Carter

Evie· 1 ep

Kimberly Stewart

Amanda Haythe· 1 ep

Lizzy Caplan

Beautiful Girl· 1 ep

Simon Helberg

Jack· 1 ep

Tom Welling

Tom· 1 ep

Geoffrey Arend

Jimmy· 1 ep

Adam Alexi-Malle

Professor Burg· 1 ep

Joel Madison

Customer· 1 ep

R.F. Daley

Customer· 1 ep

Mandy Freund

Red Headed Woman· 1 ep

Jennifer Shon

Pretty Girl· 1 ep

Serein Wu

Female Student #1· 1 ep

Will Ferrell

Dave· 1 ep

Elaine Curtis

Pretty Girl· 1 ep

Katharine Towne

Rebecca· 1 ep

Elisa Bocanegra

Nicola· 1 ep

Mark Allan Staubach

Dormie #1· 1 ep

Jonathan Loughran

Jonathan Loughran· 1 ep

jarrett grode

Perry· 1 ep

Greg Mottola

Young Professor· 1 ep

Adam Sandler

Adam Sandler (uncredited)· 1 ep

Allen Covert

Allen Covert (uncredited)· 1 ep

Fred Willard

Professor Duggan· 1 ep

Joanne Cho

Susuki· 1 ep

Amy Wright

Debra· 1 ep

Cathy Lind Hayes

Mrs. Nesbitt· 1 ep

Mary Kay Place

Mrs. Lindquist· 1 ep

Steve Bannos

Dingleberry· 1 ep

Sarah Jane Morris

Jana· 1 ep

Ken Daly

Pizza Guy· 1 ep

David Silverstein

Guy in Elevator· 1 ep

Blake Shields

Henry· 1 ep

Clement Blake

Antonio· 1 ep

Kelly Karbacz

Jane· 1 ep

Alexa Davalos

Susan· 1 ep

Bhavana Kundanmal

Taj· 1 ep

Erica Hubbard

Gloria· 1 ep

Stephanie Lemelin

Tara· 1 ep

Martin Starr

Theo· 1 ep

Youki Kudoh

Kikuki· 1 ep

Casey James Durante

Casemo· 1 ep

Sarah Ann Morris

Janice· 1 ep

Kim Fifield

Alice· 1 ep