Film

No.	Year	Title	Role	Vote Average
1	1978	A Death in Canaan	Jim Barthel	53
2	1978	Siege	Lt. Don Riegel	62
3	1978	A Question of Love	Richard Freeman	53
4	1980	Cruising	Jack (voice)	66
5	1981	Hellinger's Law	Lon Braden	75
6	1981	Skokie	David Hamlin	60
7	1982	I'm Dancing as Fast as I Can	Sam Mulligan	60
8	1983	Prototype	Dr. Gene Pressman	58
9	1984	My Mother's Secret Life	Joe Parkman	70
10	1987	The Long Journey Home	Mike Cadell	40
11	1988	Perry Mason: The Case of the Avenging Ace	Mark Egan	71
12	1988	Whisper Kill	Vince Messina	70
13	1990	Murder in Paradise	Det. Dave Craft	47
14	1990	The Perfect Date	Mr. Sanders	0
15	1991	Keeping Secrets	Kirby	40
16	1991	The Perfect Tribute	Shelby	60
17	1993	Nurses on the Line: The Crash of Flight 7		62
18	1994	My Breast	Herb	55
19	1996	For the Future: The Irvine Fertility Scandal	Sen. Thomas Hayden	60
20	2007	The History of 'Cruising'	Self (archive footage)	77
21	2007	Exorcising 'Cruising'	Self (archive footage)	65
22	2007	The History of 'Cruising'		0
23	2012	Murder on the 13th Floor	Gus Scaldi	46

Television

No.	Year	Title	Role	Vote Average
1	1971	Cannon		65
2	1971	Columbo	Professor D.E. Rusk	81
3	1972	ABC Afterschool Special	Mr. Sanders	64
4	1973	Kojak	Benny	70
5	1973	Kojak	Lawson	70
6	1975	The Bob Crane Show	Jerry Mallory	55
7	1977	The Andros Targets	Mike Andros	50
8	1981	Dynasty	Gordon Wales	65
9	1981	Simon & Simon		67
10	1982	T. J. Hooker	Freddie Hamilton	64
11	1982	Family Ties	Richard	73
12	1982	St. Elsewhere		55
13	1984	Hunter	Father Jack Struthers	72
14	1984	Murder, She Wrote	Professor Ron Mercer	75
15	1984	Murder, She Wrote	Ralph Proctor	75
16	1984	Murder, She Wrote	Lawrence Cayle	75
17	1984	Murder, She Wrote	Mark Tower	75
18	1984	Murder, She Wrote	Paul Vaughn	75
19	1985	Space	Tim Finnerty	65
20	1986	Matlock		71
21	1986	On Wings of Eagles	Joe Poche	58
22	1986	L.A. Law	Attorney Lyman Hatcher	71
23	1986	Heart of the City	Watson Jr.	50
24	1987	21 Jump Street	Peter Daly	72
25	1987	A Year in the Life	Michael Harrington	68
26	1987	Tour of Duty		80
27	1989	Quantum Leap	Joe Basch	80
28	1989	Snoops	Ben Potts	50
29	1990	Law & Order	Peter Colson	74
30	1993	The X-Files	Babcock	84
31	1993	Diagnosis: Murder	Tommy Toussaint	71
32	1994	Chicago Hope		72
33	1994	ER	Walt	78
34	1995	Sliders	Agent Fletcher Lowell	76
35	1996	The Pretender	Dr. Christopher Fein	74
36	1996	Profiler		70
37	1997	The Practice	D.A. Mark Henderson	77
38	1997	Ally McBeal	Daley's Attorney	66
39	1998	Charmed	James Callaway	82
40	1999	Judging Amy	Richard Acuff	75
41	2000	CSI: Crime Scene Investigation	Sillmont Health Insurance Rep.	76
42	2003	Cold Case	Reuben Harris (2010)	78
43	2006	The Unit		73