Robert Pattinson

Character: Dennis Stock

Dane DeHaan

Character: James Dean

Joel Edgerton

Character: John Morris

Ben Kingsley

Character: Jack Warner

Kelly McCreary

Character: Eartha Kitt

Kristian Bruun

Character: Roger Love

Lauren Gallagher

Character: Natalie Wood

Kendal Rae

Character: Messy Actress

Alessandra Mastronardi

Character: Pier Angeli

Stella Schnabel

Character: Norma

Peter Lucas

Character: Nicholas Ray

Drew Leger

Character: Boyfriend

Jason Blicker

Character: Journalist

Emily Hurson

Character: Publicity Trooper

Emma Pedersen

Character: John Morris's Secretary

Allison Brennan

Character: Jack Warner's Assistant

Philip Maurice Hayes

Character: Marshall

Jessica Rose

Character: Rodney

Jack Fulton

Character: Rodney

Michael Therriault

Character: Elia Kazan

Kristen Hager

Character: Veronica

John Blackwood

Character: Raymond Massey

Justyn Michael Richards

Character: Red Carpet Staff (uncredited)