"I got whacked by Paulie Walnuts and lived to tell about it," 'The Sticky' star jokes of his guest-star appearance on 'The Sopranos' HBO The Sticky star Chris Diamantopoulos received real The ...

Unaware of his late father's mafia ties, Jason goes against Tony's wishes and is quickly hit (literally) with retribution: a visit from Paulie "Walnuts" Gualtieri (Tony Sirico) and a lead pipe.