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