Greg Sestero as Jon Kortina

Tommy Wiseau as Harvey Lewis

Kristen StephensonPino as Traci Walton

Rick Edwards as Rick Stanton

Paul Scheer as Malmö

Vince Jolivette as Andrei Katsaros

R.J. Cantu as Vincente Galavais

Patrick Greene as Julian Picard

Tom Bissell as Martin

Trisha Miller as Jon's Mom

Robert Briscoe Evans as Social Worker

Alex Valley as Teenage Jon

Zhubin Rahbar as Uncle Joey

Michael Davis as Car Salesman

George Killingsworth as Doc Seagar

Liam Walsh as Bully

Kristopher MacGregor as Christmas Boyfriend

Carter Friend as Lester Green

Harry Davis as Young Harvey

David Sestero as Dr. Surtain

Blake Hastings as Young Jon

Doreen Morales as Dental Hygienist

Erin Hodgkins as Elizabeth

Jess Valenzuela as Toothless Man

Justin Robinson as Clown Man