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