Seth Rogen

Mac Radner

Zac Efron

Teddy Sanders

Rose Byrne

Kelly Radner

Dave Franco

Pete Regazolli

Christopher Mintz-Plasse

Scoonie Schofield

Jerrod Carmichael

Garf

Ike Barinholtz

Jimmy Blevins

Carla Gallo

Paula Faldt

Halston Sage

Brooke Shy

Craig Roberts

Assjuice

Lisa Kudrow

Carol Gladstone

Elise Vargas

Stella Radner

Zoey Vargas

Stella Radner

Brian Huskey

Bill Wazowkowski

Ali Cobrin

Whitney

Kira Sternbach

Brittany

Steven Michael Eich

Thumbsucker

Andy Samberg

Toga #1

Akiva Schaffer

Toga #2

Jorma Taccone

Toga #3

Adam Devine

Beer Pong Guy #1

Blake Anderson

Beer Pong Guy #2

Anders Holm

Beer Pong Guy #3

Kyle Newacheck

Beer Pong Guy #4

Jake Johnson

Sebastian Cremmington

Hannibal Buress

Officer Watkins

Liz Cackowski

Wendy the Realtor

Jason Mantzoukas

Dr. Theodorakis

Jesse Heiman

The Babysitter

Randall Park

Rep

Natasha Leggero

Prostitute

Casey Ford Alexander

Gay Couple (uncredited)

Michael Angeloe

Birthday Party Jumper (uncredited)

Fahim Anwar

Rival Frat Guy #1 (uncredited)

Melanie Avalon

Sorority Girl (uncredited)

Chasty Ballesteros

Alecia (uncredited)

Marianne Bourg

Sorority Girl (uncredited)

Erika Del Toro

Sorority Girl (uncredited)

Alanna Dergan

Sorority Girl (uncredited)

Robert Dunne

Pledge (uncredited)

Elsi Eng

Sorority Girl (uncredited)

Ayesha Fraser

Sorority Girl (uncredited)

Danika Galindo

Sorority Girl (uncredited)

Ori Kalmus

Rival Frat Guy #2 (uncredited)

Maria Olsen

Prostitute (uncredited)

Gary Sievers

Homeless Man (uncredited)

Stephen Todt

JJ (uncredited)

Cassandra Starr

Sorority Girl (uncredited)

Valeria Sweet

Sorority Girl (uncredited)

Bridgetta Tomarchio

Sorority Girl (uncredited)