I agree with Sonny Black about Richie Aprile - he shot some great killer looks at Tony that nobody ever had. However, the one that takes the cake for me is Paul Sorvino as Paulie in "Goodfellas". When they show him for the first time looking out the cab stand door at the guys screwing around, words can't express the gravity of that character. You know instantly that he is the boss and respect is commanded.