Cooper Being Abe Vigoda in The Godfather

Here he is seen preparing for his scene with Robert Duvall.

"Oy gevalt, that day," he says, remembering the pain of being a method actor.

"That nincompoop Bobby Duvall was so serious about showing me who was boss he followed me around all morning karate chopping me in the back of the neck. I think that's when I developed my slouch," he laments.