Josh Hutcherson Philip / 'Denny'
Melanie Griffith Jean Shelton
Alison Brie Amber
Bryan Cranston Bryan Cranston (uncredited)
Dave Franco Greg / 'Mark'
Bob Odenkirk Stanislavsky Teacher
Sharon Stone Iris Burton
Seth Rogen Sandy, Producer
Kristen Bell Kristen Bell
James Franco Tommy / 'Johnny', Director, Producer
Zac Efron Dan / 'Chris-R'
Jacki Weaver Carolyn / 'Claudette'
Adam Scott Adam Scott
Keegan-Michael Key Keegan-Michael Key
Zoey Deutch Bobbi
Kate Upton Kate Upton (uncredited)
Sugar Lyn Beard Actress #2
Lizzy Caplan Lizzy Caplan
Christopher Mintz-Plasse Sid (uncredited)
Jason Mantzoukas Peter
Dylan Minnette Dylan Minnette (uncredited)
Randall Park Male Actor
Megan Mullally Mrs. Sestero
Kevin Smith Kevin Smith
J.J. Abrams J.J. Abrams
Brett Gelman Acting Teacher (uncredited)
Christopher S. Aud Sound Re-Recording Mixer
Ike Barinholtz Ike Barinholtz
Chris L. Spellman Production Design
Erin Cummings Female Guest (uncredited)
Zach Braff Zach Braff (uncredited)
Shane Ryan-Reid Front Row Premiere Attendee (uncredited)
Judd Apatow Judd Apatow (uncredited)
June Diane Raphael Robyn / 'Michelle'
Evan Goldberg Producer
Randy L. Childs Construction Coordinator
Danny McBride Danny McBride
Lo Mutuc Safowa
Eliza Coupe Erica Chase (uncredited)
Casey Wilson Casting Director #2
Ari Graynor Juliette / 'Lisa'
Michael H. Weber Screenplay, Executive Producer
Brian Huskey Teller 'James'
Hannibal Buress Bill
Paul Scheer Raphael
John Early Chris
Megan Ferguson Jessie
Andrew Santino Scott Holmes / 'Mike'
Lauren Ash Florist 'Erin'
Toby Emmerich Executive Producer
Jessie Ennis Receptionist
Nathan Fielder Kyle Vogt / 'Peter'
Zachary Fannin Graphic Designer
Jerrod Carmichael Actor Friend
Kurt Bryant Stunt Coordinator
Nicole Gordon-Levitt Girl in Red Dress (uncredited)
Xosha Roquemore Actress #3
Jason Mitchell Nate (uncredited)
Rich Delia Casting
Richard Brener Executive Producer
Dree Hemingway Female Guest #2
Gabe Hilfer Music Supervisor
Joe Mande Todd
Roy Lee Executive Producer
Doug Delaney Digital Intermediate Colorist
Nathan Kahane Executive Producer
Tom Franco Karl
Kether Donohue Actress #6
Greg Sestero Book, Casting Agent (uncredited)
James Weaver Producer
Tommy Wiseau Henry
Vince Jolivette Producer