Continuity: In the Police Station at the beginning of the film James Dean takes off his flecked jacket to reveal his spectacle case in his top pocket. As his character does not wear glasses the offending case is removed in the next scene.
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Continuity: When James Dean reaches into his car to switch off the radio, he reaches in with one hand, but when the camera focuses in on the radio being switched off, it's his other hand that's switching it off.