Brett Gelman Acting Teacher (uncredited)
Zac Efron Dan / 'Chris-R'
Sharon Stone Iris Burton
Seth Rogen Sandy, Producer
Kristen Bell Kristen Bell
Bryan Cranston Bryan Cranston (uncredited)
James Franco Tommy / "Johnny", Director, Producer
Zoey Deutch Bobbi
Josh Hutcherson Philip / "Denny"
Bob Odenkirk Stanislavsky Teacher
Dave Franco Greg / "Mark"
J.J. Abrams J.J. Abrams
Melanie Griffith Jean Shelton
Lizzy Caplan Lizzy Caplan
Alison Brie Amber
Jason Mantzoukas Peter
Keegan-Michael Key Keegan-Michael Key
Jason Mitchell Nate (uncredited)
Dylan Minnette Dylan Minnette (uncredited)
Danny McBride Danny McBride
Adam Scott Adam Scott
Randall Park Male Actor
Erin Cummings Female Guest (uncredited)
Christopher Mintz-Plasse Sid (uncredited)
David DeCoteau David DeCoteau (uncredited)
Kurt Bryant Stunt Coordinator
Tommy Wiseau Henry
Charlyne Yi Safowa
Nathan Fielder Kyle Vogt / "Peter"
Lauren Ash Florist "Erin"
Kate Upton Kate Upton (uncredited)
Eliza Coupe Erica Chase (uncredited)
Megan Mullally Mrs. Sestero
Michael H. Weber Screenplay, Executive Producer
Sugar Lyn Beard Actress #2
Judd Apatow Judd Apatow (uncredited)
Kevin Smith Kevin Smith
Kelli Konop Executive Producer
Dree Hemingway Female Guest #2
Ike Barinholtz Ike Barinholtz
Nathan Kahane Executive Producer
Tom Franco Karl
Kether Donohue Actress #6
Zach Braff Zach Braff (uncredited)
Evan Goldberg Producer
Hannibal Buress Bill
Ari Graynor Juliette / "Lisa"
June Diane Raphael Robyn / "Michelle"
Angelyne Angelyne
Brian Huskey Teller "James"
Christi Cagle Hairstylist
Shane Ryan-Reid Front Row Premiere Attendee (uncredited)
Megan Ferguson Jessie
Justin Duval Gaffer
Slim Khezri Actor at Premiere (uncredited)
Ricky Mabe Casting Person (uncredited)
Andrew Santino Scott Holmes / 'Mike'
Tamzin Brown Tommy's Date at Premier (uncredited)
Ryan Moody Associate Producer
Amechi Okocha Mama's Boy (uncredited)
Neil Lewis Second Assistant Director
Jerrod Carmichael Actor Friend
Jesse M. Feldman Second Unit Director of Photography
Jordan Daem Waiter (uncredited)
Claudia Orozco Makeup Artist
Vincent Marinelli Bartender (uncredited)
Cerra Angela Vallentine Movie Premier Guest (uncredited)
Tudor Munteanu Crew Member, Hans (uncredited)
Jessie Ennis Receptionist
Paul Scheer Raphael
Nicole Gordon-Levitt Girl in Red Dress (uncredited)
Steve Yandrich Production Supervisor