Robert Pattinson as Dennis Stock

Dane DeHaan as James Dean

Joel Edgerton as John Morris

Ben Kingsley as Jack Warner

Kelly McCreary as Eartha Kitt

Kristian Bruun as Roger Love

Lauren Gallagher as Natalie Wood

Kendal Rae as Messy Actress

Alessandra Mastronardi as Pier Angeli

Stella Schnabel as Norma

Peter Lucas as Nicholas Ray

Drew Leger as Boyfriend

Jason Blicker as Journalist

Emily Hurson as Publicity Trooper

Emma Pedersen as John Morris's Secretary

Allison Brennan as Jack Warner's Assistant

Philip Maurice Hayes as Marshall

Jessica Rose as Rodney

Jack Fulton as Rodney

Michael Therriault as Elia Kazan

Kristen Hager as Veronica

John Blackwood as Raymond Massey

Justyn Michael Richards as Red Carpet Staff (uncredited)