Film

No.	Year	Title	Role	Vote Average
1	1971	The Gang That Couldn't Shoot Straight	A Black Suit	50
2	1974	Crazy Joe		60
3	1974	The Godfather Part II	Frank Pentangeli	86
4	1976	Brinks: The Great Robbery	Mario Russo	0
5	1977	Black Sunday	Muzi	67
6	1978	Fingers	Ben	64
7	1978	King of the Gypsies	Spiro Giorgio	56
8	1979	Love and Bullets	Lobo	59
9	1979	Beach Patrol	Banker	60
10	1979	The Fish That Saved Pittsburgh	Harry the Trainer	56
11	1979	Beggarman, Thief	Sartene	60
12	1980	Cuba Crossing	Rossellini (as Michael Gazzo)	37
13	1980	Alligator	Chief Clark	61
14	1980	The Border	Chico Suarez	51
15	1980	Hoodlums	Gus Azziello	42
16	1981	Back Roads	Tazio	54
17	1981	The Godfather 1901–1959: The Complete Epic	Frank Pentangeli	94
18	1981	Body and Soul	Frankie	39
19	1981	Sizzle	Nick Tripoli	0
20	1983	The Winter of Our Discontent	Marullo	40
21	1983	Sudden Impact	Threlkis (uncredited)	65
22	1984	Cannonball Run II	Sonny	54
23	1984	Fear City	Mike	54
24	1986	Blood Ties	Joseph Salina	58
25	1989	Cookie	Carmine	52
26	1993	Last Action Hero	Torelli	65
27	1994	Nothing to Lose	Joe	20

Television

No.	Year	Title	Role	Vote Average
1	1950	Robert Montgomery Presents		56
2	1951	Hallmark Hall of Fame	Marullo	86
3	1961	The Defenders	Schultz	62
4	1969	Medical Center		61
5	1971	Columbo	Vittorio Rossi	81
6	1973	Barnaby Jones	Mr. Farinelli	69
7	1973	Kojak	Joel Adrian	70
8	1975	Baretta		63
9	1975	Switch	Tony	67
10	1975	Starsky & Hutch	Joe Durniak	73
11	1975	Ellery Queen		74
12	1976	Alice		71
13	1977	Lucan		60
14	1977	Mario Puzo's The Godfather: The Complete Novel for Television	Frank Pentangeli	86
15	1978	Taxi	Vince	73
16	1978	Vega$		70
17	1980	B.A.D. Cats	Junkyard George Karosky	50
18	1980	Magnum, P.I.	Victor DiGorgio	73
19	1981	The Fall Guy		76
20	1981	Darkroom		72
21	1982	Cagney & Lacey		69
22	1984	1st & Ten	Sal Arcola	65
23	1986	L.A. Law	Roscoe Zambini	71
24	1987	Jake and the Fatman		60
25	1992	Ring of the Musketeers	Papa	0