James Franco as Vikar

Megan Fox as Soledad Paladin

Seth Rogen as Viking Man

Joey King as Zazi

Jacki Weaver as Dotty Langer

Dave Franco as Montgomery Clift

Craig Robinson as The Burglar

Vince Jolivette as The Financier

Scott Reed as The Producer

Gus Van Sant as Film Archive Curator

Danny McBride as Slim

Mike Starr as Burly

Marc-Edouard Leon as Hippie Dude

Nick Buda as Roosevelt Clerk

Jack Kehler as Studio Art Director

Tyler Danna as Arthur Hiller

Mia Serafino as Ali MacGraw

Jason Fox as Ryan O'Neal

Shane Palmerton as Studio A.D

Melody Cole as Young Zazi

Cadence Cole as Young Zazi

Horatio Sanz as Francis Ford Coppola

Ryan Moody as George Lucas

Chris Messina as Brian De Palma

Kevin Makely as Steven Spielberg

Mino Mackic as Marlon Brando

Thomas Ian Nicholas as Martin Scorsese

Derek Waters as Paul Schrader

Nanghana as Foxy Brown

Keegan Allen as Pale Blue Eyes Killer

Steve Erickson as The Projectionist

Chris Pardal as Punk Guy

Jacob Loeb as Iggy / Darby / David

Nina Ljeti as Patti Smith

Scott Haze as Charles

Will Ferrell as Rondell

Wim Wenders as Larry

Crystal Aguilar as Girl At Party

Alberto Barbera as Mostra President

Thaila Ayala as Maria in Venice

Moni Akiwowo as Bikini Girl (uncredited)

Alexandra Amadio as Hippie Girl (uncredited)

Marina Anderson as Party Guest Dancer (uncredited)

Aiden Arrows as Lead Guitarist of the Germs (uncredited)

Matthew Jablonski as 1970's Drummer - 1980's Bassist (uncredited)