Dennis Hopper acted in America.
Dennis Hopper . He attended the Actors Studio , made his first television appearance in 1954 , and soon after appeared alongside James Dean in Rebel Without a Cause ( 1955 ) and Giant ( 1956 ) . Rebel Without a Cause is a 1955 American drama film about emotionally confused suburban , middle-class teenagers filmed in CinemaScope . `` To Set It Right '' is the 21st episode of the American military drama television series The Lieutenant , produced for broadcast on NBC .