Film

No.	Year	Title	Role	Vote Average
1	1964	Nothing But a Man	Teenager	74
2	1970	To Catch a Pebble		0
3	1970	A Man Called Horse	Bent	65
4	1972	Deathmaster	Monk Reynolds	47
5	1972	Rage	Major Cooper	66
6	1973	Call to Danger	Tony Boyd	0
7	1973	The Invasion of the Dead		50
8	1974	Police Headquarters	Sgt. Dana Roberts	0
9	1974	The Parallax View	Tucker's Aide	68
10	1975	The Kansas City Massacre	John Dillinger	47
11	1976	The Disappearance of Aimee	Kenneth Ormiston	80
12	1977	Lucan	Gene Boone	0
13	1977	The Trial of Lee Harvey Oswald	James Kleist	68
14	1977	The Private Files of J. Edgar Hoover	Pres. John F. Kennedy	50
15	1978	Gray Lady Down	Waters	64
16	1978	The Buddy Holly Story	Riley	72
17	1980	Friendly Fire	Col. Byron Schindler	75
18	1983	Hambone and Hillie	Bert Rollins	40
19	1986	Beverly Hills Madam	Len Culver	46
20	1996	Kingpin	Mr. Boorg	65
21	1997	Contact	Chairman of Joint Chiefs	74

Television

No.	Year	Title	Role	Vote Average
1	1951	Hallmark Hall of Fame	Kenneth Ormiston	86
2	1965	The Big Valley	Dave Carr	61
3	1966	The Rat Patrol	Major Bruder	72
4	1967	Judd for the Defense		75
5	1967	The High Chaparral	Pearsall	65
6	1971	Cannon		65
7	1972	The Sixth Sense		63
8	1972	The Streets of San Francisco		69
9	1973	The Magician	Sheriff R. Sanders	67
10	1974	The Rockford Files	Jeffers	75
11	1974	The Rockford Files	Police Officer Andrew Dolan	75
12	1975	Barbary Coast		50
13	1978	King	John F. Kennedy	69
14	1978	Project U.F.O.		67
15	1979	Knots Landing	Attorney	69
16	1980	Beyond Westworld	Joseph Oppenheimer	54
17	1981	Simon & Simon		67
18	1982	T. J. Hooker	Bill Kennedy	64
19	1982	Knight Rider	Dr. Ian Browning	76
20	1983	Scarecrow and Mrs. King		63
21	1986	L.A. Law	Mark Johnson	71
22	1993	Walker, Texas Ranger	Jackson Blake Dupree	70