Film

No.	Year	Title	Role	Vote Average
1	1963	Days of Wine and Roses	Bettor (uncredited)	75
2	1966	The Crazy-Quilt	Henry	55
3	1968	Madigan	Man	62
4	1968	The Thomas Crown Affair	Pvt. Detective	68
5	1971	A Memory of Two Mondays	Unemployed Man	0
6	1971	The Pursuit of Happiness	District Attorney Keller	63
7	1972	The Godfather	Rocco Lampone (uncredited)	87
8	1973	The Connection	Detective Phelan	0
9	1974	The Migrants	Father	57
10	1974	The Godfather Part II	Rocco Lampone	86
11	1975	Dead Man on the Run	Fletcher	60
12	1975	F. Scott Fitzgerald in Hollywood	Edwin Knopf	35
13	1976	The Great Texas Dynamite Chase	Jason Morgan	50
14	1976	Raid on Entebbe	Amos Eran	60
15	1977	Airport '77	Hunter	56
16	1977	MacArthur	General Sampson	63
17	1977	Heroes	Patrolman #2	61
18	1978	Shame, Shame on the Bixby Boys	Doc	0
19	1978	Lady of the House	Sgt. Guffy	0
20	1979	California Dreaming	George Booke	46
21	1979	Act of Violence	Police Commander	68
22	1980	The Night the City Screamed	Tom Burnham	50
23	1981	The Godfather 1901–1959: The Complete Epic	Rocco Lampone	94
24	1988	Defense Play		30
25	1991	Guilty by Suspicion	Norman	65

Television

No.	Year	Title	Role	Vote Average
1	1951	Hallmark Hall of Fame	Man of Bethany	86
2	1967	N.Y.P.D.		58
3	1971	Great Performances	Unemployed Man	53
4	1972	The Streets of San Francisco		69
5	1974	Little House on the Prairie		79
6	1974	The Rockford Files	Norm Mitchell	75
7	1974	The Rockford Files	Tom Brockmeyer	75
8	1977	Code R	Wallace	0
9	1977	Lou Grant		73
10	1977	Mario Puzo's The Godfather: The Complete Novel for Television	Rocco Lampone	86
11	1978	Diff'rent Strokes		70
12	1979	Archie Bunker's Place		65
13	1982	Knight Rider	August Hollenbeck	76
14	1982	Cheers	Jensen	76
15	1984	Jessie		50