Film

No.	Year	Title	Role	Vote Average
1	1967	Rough Night in Jericho	Simms	66
2	1968	If He Hollers, Let Him Go!	Harry	54
3	1969	The Bridge at Remagen	Pvt. Slavek	68
4	1969	Hell's Angels '69	Apache	44
5	1970	The Movie Murderer	King Kong	65
6	1970	The Young Country	Parker	80
7	1971	One More Train to Rob	Jim Gant	54
8	1972	The Only Way Home	Billy Joe	0
9	1973	The No Mercy Man	Olie Hand	48
10	1973	Bonnie's Kids	Larry	55
11	1977	Mad Bull	Jack 'The White Knight' Braden	0
12	1980	The Ninth Configuration	1st Cyclist	65
13	1983	Fire and Ice	Darkwolf	67
14	1983	Stryker	Stryker	44
15	1988	Alamo: The Price of Freedom	James Bowie	60
16	1989	The Platinum Triangle	Joshua Pierce	53
17	1992	Calendar Girl, Cop, Killer? The Bambi Bembenek Story	Sam Corbett	38

Television

No.	Year	Title	Role	Vote Average
1	1955	Gunsmoke	John Riker	66
2	1966	Star Trek	Lars	80
3	1974	The Six Million Dollar Man	Covell	73
4	1974	Amy Prentiss	Detective Tony Russell	50
5	1975	Matt Helm	Gilroy	74
6	1976	Charlie's Angels	Red Loomis	67
7	1977	Three's Company	Harvey	77
8	1982	T. J. Hooker	Perez	64
9	1982	Knight Rider	Mac Gifford	76
10	1983	The A-Team	Burt	75
11	1983	The A-Team	Deke Logan	75
12	1983	The Yellow Rose	Lenny Hollister	60
13	1984	Hunter	Stoner Jackson	72
14	1996	Superman: The Animated Series	Orion (voice)	76