Film

No.	Year	Title	Role	Vote Average
1	1968	Ice Station Zebra	Peter Costigan	62
2	1968	Lassies Abenteuer in Alaska	Scott Turner	0
3	1969	Lassie: The Adventures of Neeka	Scott Turner (archive footage)	60
4	1972	Ransom for a Dead Man	Phil	72
5	1973	Incident on a Dark Street	Ben Maddon	50
6	1974	Thursday's Game	Dick	52
7	1974	The Photographer	Joe Hennesey	65
8	1975	The Specialists	Dick Rawdon	0
9	1975	The Man from Clover Grove	The Hippie	0
10	1975	Conspiracy of Terror	David Horowitz	60
11	1976	Brenda Starr	Roger Randall	57
12	1979	Fast Friends	Bernie	0
13	1991	Her Wicked Ways	Brad Duggan	38
14	1994	Zero Tolerance	George Wells	52
15	1995	Suspect Device	Artemus Lockwood	64
16	1997	Arlette	Wide	55
17	1999	Television: The First Fifty Years	Self	0
18	2001	Carman: The Champion	Laracco	41
19	2005	Journey from Santa Barbara to Moscow, or the Adventures of an American in Russia		0

Television

No.	Year	Title	Role	Vote Average
1	1954	Lassie		61
2	1954	Lassie	Scott Turner	61
3	1961	The Mike Douglas Show	Self	51
4	1965	The Big Valley	Mark Bromley	61
5	1967	Mannix	Ed Kovak	67
6	1968	Adam-12	Reno West	71
7	1968	Adam-12	U.S. Marshal Chuck Stanton	71
8	1968	Adam-12	Charles Jensen	71
9	1968	Adam-12	John Spencer	71
10	1968	Adam-12	Officer Tony Johnson	71
11	1968	The Mod Squad		65
12	1968	The Mod Squad	Kurt Raider	65
13	1969	Marcus Welby, M.D.	Chris Denby	65
14	1970	The Mary Tyler Moore Show	Rod Porter	75
15	1971	Celebrity Bowling	Self - Host	0
16	1971	Columbo	Phil	81
17	1972	The Streets of San Francisco	Fred Dawes	70
18	1973	Love Thy Neighbor		100
19	1973	Kojak	Eddie Ryan	70
20	1974	Harry O		46
21	1976	Good Heavens		55
22	1976	Alice		70
23	1977	Sugar Time!		0
24	1977	CHiPs	Jason	68
25	1978	The Roller Girls		60
26	1979	Married: The First Year		50
27	1979	Eischied		60
28	1981	Simon & Simon		67
29	1983	Goodnight, Beantown		55
30	1983	Hardcastle and McCormick		64
31	1984	Santa Barbara	C.C. Capwell	49
32	1984	Crazy like a Fox	Dr. Sloan	71
33	1990	Beverly Hills, 90210		74
34	1990	Beverly Hills, 90210	Rush Sanders	74
35	1993	Walker, Texas Ranger	Sam Cardinal	70
36	1994	Burke's Law	Wally King	67
37	2001	Six Feet Under	Dr. Gareth Feinberg	81
38	2002	CSI: Miami	Hal Wilcox	77