> "Body acting and bodybuilding are more closely related than most people would image, and all that posing I'd done to impress the judges in my early years [paid] dividends," he wrote in his book. "From within the black leather suit, I treated Vader's every gesture as a bodybuilding pose, refining here and exaggerating there, until my character 'spoke' with every tilt of his head or movement of his arms."
Still, casting James Earl Jones to do the voice was a stroke of genius by George Lucas.