James Dean on the set of Giant (dir. George Stevens, 1956)
Dennis Hopper: a life in pictures | Film | guardian.co.uk
“In Rebel Without a Cause (1955), Hopper had a bit-part opposite Natalie Wood and James Dean”
Marlon Brando’s screentest for Rebel Without a Cause, 1947.
(Make sure to get to the post-audition interview from 3:50 onwards, before you come to the conclusion that James Dean was simply perfect in the role and therefore this video is a little bit pointless. Trust me on this one.)