Film

No.	Year	Title	Role	Vote Average
1	1965	Sylvia	(uncredited)	62
2	1965	Village of the Giants	Rick	36
3	1965	The Restless Ones		42
4	1966	Scalplock	Barnabas Rogers	65
5	1966	This Property Is Condemned	Tiny	63
6	1967	Mosby's Marauders	Pvt. Lomax	69
7	1969	A Time for Dying	Billy Pimple (as Bob Random)	62
8	1970	Tick... Tick... Tick...	John Braddock	65
9	1970	Cutter's Trail	Kyle Bowen	75
10	1972	The Bull of the West	Will Justin	54
11	1973	Toke		0
12	1982	Time Walker	Jack Parker	40
13	1988	Vampire at Midnight	Al Childress	35
14	1989	Danger Zone II: Reaper's Revenge	Reaper	30
15	1990	Danger Zone III: Steel Horse War	Grim Reaper	10
16	2018	They'll Love Me When I'm Dead	Self	71
17	2018	The Other Side of the Wind	Oscar 'John' Dale	67

Television

No.	Year	Title	Role	Vote Average
1	1955	Gunsmoke	Verlyn Print	66
2	1955	Gunsmoke	Sweet Billy	66
3	1955	Gunsmoke	Reb Jessup	66
4	1955	Gunsmoke	Bishop	66
5	1955	Gunsmoke	Jay Procter	66
6	1955	Gunsmoke	Tom Clark	66
7	1955	Gunsmoke	Scott Murdoch	66
8	1961	Dr. Kildare	Eddy York	55
9	1961	Ben Casey		56
10	1961	The Dick Van Dyke Show	Mouse	75
11	1962	The Virginian	Will Justin	65
12	1963	Mr. Novak	Eddie	65
13	1963	Mr. Novak	Phil	65
14	1963	Mr. Novak	Joey Caldwell	65
15	1964	Daniel Boone	Stephen	69
16	1965	Branded		64
17	1965	The Legend of Jesse James	Jeremy Haynes	48
18	1965	Gidget		64
19	1966	The Iron Horse	Barnabas Rogers / Jeff Clayborne	68
20	1967	Cimarron Strip		50
21	1968	Hawaii Five-O	Paul Oliwa	71
22	1969	Then Came Bronson		48
23	1971	Cannon		65