As Johnny Depp’s mentally-challenged kid brother, DiCaprio inhabits his role with total un-self-consciousness – his frenzied flapping, buoyant anarchy and infantile ranting yield the warmest perf of his career.
“I don’t even know what I did,” DiCaprio mused. “I just went off with whatever I felt instinctually without a second thought.” He was Oscar nominated for his efforts.
Greatest moment: Gilbert coaxes Arnie down after he gets stuck up the water tower.
Also see: Tobias Wolff (This Boy’s Life), Romeo (Romeo + Juliet), Billy Costigan (The Departed).