Film

No.	Year	Title	Role	Vote Average
1	1965	Battle of the Bulge		69
2	1968	The Head Mistress	Mario	33
3	1968	The Sunshine Patriot	Tibor	60
4	1974	Strange Homecoming	Floyd	80
5	1976	The Boy in the Plastic Bubble	TV Installer	56
6	1978	Zuma Beach	Tom	45
7	1982	Wacko	Dr. Moreau	51
8	1985	Deadly Intentions	Valenzuela	64
9	1986	Neon Maniacs	Devin	52
10	1989	The Case of the Hillside Stranglers	Dr. Owens	62
11	1989	Criminal Act	Lance Bellard	48
12	1992	Something to Live for: The Alison Gertz Story	Dr. Siege	58
13	1992	Unlawful Entry	Attorney Sam Gershon	62
14	1992	Saved by the Bell: Hawaiian Style	Charles Worthington	63
15	1993	Sliver	Det. McCracken	55
16	1997	Midnight in the Garden of Good and Evil	Bailiff	64
17	1998	Babe: Pig in the City	Additional Character Voices (voice)	56
18	2002	The Santa Clause 2	Reindeer	60
19	2003	The Cat in the Hat	Narrator (voice)	53
20	2013	Metalocalypse: The Doomstar Requiem - A Klok Opera	General Crozier (voice)	78
21	2023	Metalocalypse: Army of the Doomstar	General Crozier (voice)	67

Television

No.	Year	Title	Role	Vote Average
1	1960	My Three Sons		65
2	1963	The Fugitive	Volunteer	72
3	1963	Bob Hope Presents the Chrysler Theatre	Lou Brady	57
4	1964	Gomer Pyle, U.S.M.C.		71
5	1964	Gomer Pyle, U.S.M.C.	Cpl. Jensen	71
6	1964	Gomer Pyle, U.S.M.C.	Cpl Jensen	71
7	1966	Star Trek	Watson	80
8	1966	Star Trek	Tongo Rad	80
9	1966	Mission: Impossible	Doctor	76
10	1967	The Invaders	Joey Taft	68
11	1969	Medical Center	Tony	61
12	1970	The Odd Couple	Ramon	78
13	1972	The Rookies		68
14	1975	Barney Miller	Mugger	73
15	1979	Paris		50
16	1980	Nobody's Perfect	Det. Jacobi	65
17	1981	Hill Street Blues		76
18	1981	Simon & Simon		67
19	1982	T. J. Hooker	Billy Marks	64
20	1982	Cagney & Lacey		69
21	1984	Hunter	Don Soames	72
22	1984	Highway to Heaven		74
23	1984	Murder, She Wrote	David Osterman	75
24	1990	They Came from Outer Space	Dad	70
25	1990	Beverly Hills, 90210		74
26	1993	Saved by the Bell: The New Class	J. Walter McMillan	59
27	1994	Gargoyles	Rabbi Loew/Janus (voice)	81
28	1996	Superman: The Animated Series	Professor Hamilton (voice)	76
29	1996	Road Rovers	Eisnearian Ambassador (voice)	68
30	1996	Profiler		70
31	1997	The Practice	Michael McIntyre	77
32	1997	The Practice	Juror Joseph Strand	77
33	1997	Extreme Ghostbusters		65
34	1998	The Army Show	Col. Vincent	30
35	2000	Jackie Chan Adventures	Angus McCutcheon / Haggis (voice)	82
36	2000	The District	Captain Maple	68
37	2004	The Batman	Rupert Thorne (voice)	80
38	2005	Avatar: The Last Airbender	Master Pakku / Additional Voices (voice)	88
39	2006	Metalocalypse	General Crozier / Cardinal Ravenwood (voice)	76
40	2008	Star Wars: The Clone Wars	Keeper Agruss (voice)	85
41	2015	We Bare Bears	Additional Voices (voice)	77
42	2019	Love, Death & Robots	Corporal Pogodin (voice)	82