The other two roles that defined his stardom were loner Cal Trask in East of Eden (1955) and surly ranch hand Jett Rink in Giant (1956).Īfter his death in a car crash on September 30, 1955, Dean became the first actor to receive a posthumous Academy Award nomination for Best Actor for his role in East of Eden. He is remembered as a cultural icon of teenage disillusionment and social estrangement, as expressed in the title of his most celebrated film, Rebel Without a Cause (1955), in which he starred as troubled teenager Jim Stark. James Byron Dean (February 8, 1931 – September 30, 1955) was an American actor.