Film

No.	Year	Title	Role	Vote Average
1	1957	Johnny Gunman	Johnny G	30
2	1960	The Computer Comes to Marketing	Bill	0
3	1960	The Bat	Jack Bailey	50
4	1970	Colossus: The Forbin Project	Dr. Jefferson J. Johnson	69
5	1970	The Old Man Who Cried Wolf	Hudson F. Ewing	60
6	1972	The Man	Wheeler's Lawyer	63
7	1974	Murder Impossible	Norwalk	0
8	1980	Life, Liberty and Pursuit on the Planet of the Apes	Leander	74
9	1980	Farewell to the Planet of the Apes	Konag	59
10	1985	The Execution	Martin Renner	73
11	1987	The Return of the Six-Million-Dollar Man and the Bionic Woman	Dr. Rudy Wells	73
12	1989	Bionic Showdown: The Six Million Dollar Man and the Bionic Woman	Dr. Rudy Wells	65
13	1994	Bionic Ever After?	Dr. Rudy Wells	70
14	1994	T-Force	Dr. Jonathan Gant	55
15	1996	Street Gun	Man thrown off the roof	38

Television

No.	Year	Title	Role	Vote Average
1	1947	Kraft Television Theatre	Mr. Ferguson	75
2	1948	The Philco Television Playhouse		63
3	1948	Studio One	Peters	50
4	1948	Studio One	Stephano	50
5	1948	Studio One	Paul	50
6	1949	Suspense	Harry Raymond	49
7	1949	Suspense	Meros Leckow	49
8	1949	Suspense		49
9	1951	Hallmark Hall of Fame		86
10	1954	Climax!		33
11	1955	Gunsmoke	Young	66
12	1957	Decoy	Larry Babson	62
13	1959	New York Confidential		0
14	1962	Combat!	Corporal MacGowan	77
15	1963	The Fugitive	Lieutenant Gould	72
16	1965	The Wild Wild West	Franklin Poore	75
17	1965	The Loner		57
18	1965	The F.B.I.	Richard Larken	55
19	1965	The F.B.I.	Bobby Devries	55
20	1966	Mission: Impossible	Paul Trock	76
21	1967	Judd for the Defense		75
22	1968	The Mod Squad	Richard Clark	63
23	1969	Medical Center	Lt. Brooks	61
24	1969	Medical Center	Lt. David Samuels	61
25	1969	Medical Center	Lt. Samuels	61
26	1969	Love, American Style		61
27	1970	McCloud		71
28	1970	The Silent Force	Vernon	50
29	1970	Night Gallery	Doctor Armstrong (segment "The Last Laurel")	78
30	1971	Cannon	Lewis R. Enders	65
31	1971	The Partners		50
32	1971	McMillan & Wife	Deputy D.A. Chapman	69
33	1974	The Six Million Dollar Man	Dr. Rudy Wells	73
34	1974	Harry O		46
35	1974	Planet of the Apes		69
36	1975	Barbary Coast		50
37	1976	The Bionic Woman	Dr. Rudy Wells	70
38	1976	The Bionic Woman		70
39	1976	Quincy, M.E.	Dr. Fuller	75
40	1978	Dallas	Edgar Randolph	69
41	1979	Knots Landing	Vernon Burton	69
42	1982	Cagney & Lacey		69
43	1984	Airwolf	Prof. Jennings Rudolph	76
44	1984	Hunter	Mike Snow	72
45	1986	Matlock	District Attorney (uncredited)	71