Paul Regina

Paul Joseph Regina Jr. (October 25, 1956 – January 31, 2006) was an American actor and occasional screenwriter. He is best known for his role as Cliff Waters in the sitcom Brothers (1984–1989), as well as his roles as Felix Echeverria in the legal drama L.A. Law (1988–1992) and Frank Nitti in The Untouchables (1993–1994).