Alex Rocco was an American actor. Known for his distinctive, gravelly voice, he was often cast as villains, including Moe Greene in The Godfather (1972) and his Primetime Emmy Award–winning role in The Famous Teddy Z. Rocco did a significant amount of voice-over work later in his career.

The Winter Hill Gang was a loose confederation of organized crime figures in the Boston, Massachusetts, area. It is generally considered an Irish Mob organization, with most gang members and the leadership consisting predominantly of Irish-Americans, though some notable members, such as Johnny Martorano, are of Italian-American descent.