Jon Polito plays Dragna in Gangster Squad .
When Wooters witnesses a young friend/shoeshine boy named Pete ( Austin Abrams ) gunned down when Cohen 's hitman Wrevock ( Troy Garity ) botches an attack on boss Dragna ( Jon Polito ) , he decides to help Kennard and Ramirez to free the other two from the Burbank jail and join the squad .
Gangster Squad -LRB-film-RRB-