Film

No.	Year	Title	Role	Vote Average
1	1960	Man on a String		60
2	1960	The Walking Target	Al Kramer	50
3	1962	Experiment in Terror	FBI Agent (uncredited)	71
4	1967	Mosby's Marauders	Sam Chapman	69
5	1970	Tropic of Cancer	Fillmore	47
6	1971	Travis Logan, D.A.	Jerry	65
7	1972	She Waits	David Brody	57
8	1972	Lady Sings the Blues	Reg Hanley	69
9	1973	The Mystery in Dracula's Castle	Sheriff	57
10	1974	The Missiles of October	David Powers, Special Assistant to the President	75
11	1975	Violence in Blue		0
12	1977	Outlaw Blues	Garland Dupree	42
13	1979	Can You Hear the Laughter? The Freddie Prinze Story	The Producer	60
14	1980	Cloud Dancer	Walt Lawson	56
15	1981	Inchon	Gen. Almond	34
16	1981	The Haunting of Harrington House	Walter Ames	0
17	1983	Rita Hayworth: The Love Goddess	Test Director	63
18	1983	Little House: Look Back to Yesterday	Doctor Houser	71
19	1984	The Burning Bed	Berlin Hughes	69
20	1985	A Bunny's Tale	Phil	45
21	1985	Heart of a Champion: The Ray Mancini Story	Father O'Neill	57
22	1985	Copacabana	Dennis Reilly	68
23	1986	The Christmas Gift	Robert Truesdale	55
24	1987	Prison for Children	Judge Collins	53
25	1992	Hero	Police Chief	63
26	1993	Return of the Living Dead III	Col. Peck	66
27	1994	Return to Two Moon Junction	Mr. Bowman	58
28	1994	A Part of the Family	Kirby	0
29	1995	Midnight Man	Chief Massey	51
30	1995	A Norman Rockwell Christmas Story	Samuel Cavanaugh	58
31	1998	Every Dog Has Its Day	Father Quinn	25
32	2001	Extreme Honor	Randolph Brascoe	20
33	2006	The Standard	Principal Watson	20
34	2006	Wild Hearts	Arliss	62
35	2007	Born	Albert Martino (as James Callahan)	39

Television

No.	Year	Title	Role	Vote Average
1	1952	Death Valley Days	Private Riggs (as James Callahan)	64
2	1953	General Electric Theater	Detective Floyd Wright	63
3	1957	Have Gun, Will Travel		74
4	1957	Perry Mason	Police Officer Wilson	77
5	1957	Perry Mason	Fred Carlyle	77
6	1959	The Twilight Zone	Doug Kirk	84
7	1959	The Detectives		56
8	1959	Not for Hire		0
9	1960	Route 66		63
10	1960	The Case of the Dangerous Robin	Ted Baylor	0
11	1961	Dr. Kildare	Dr. Yates Atkinson	55
12	1961	Ben Casey		56
13	1962	General Electric True		0
14	1962	Stoney Burke		57
15	1962	Combat!	Reicher	77
16	1963	The Lieutenant		60
17	1963	Breaking Point		73
18	1963	The Fugitive	Russ Haynes	72
19	1963	The Fugitive	Joe Donovan	72
20	1963	The Great Adventure	Josh	0
21	1964	Wendy and Me		0
22	1964	Profiles in Courage	Barnes	50
23	1965	Run for Your Life	Major Ted Fowler	72
24	1965	Convoy	Dick O'Connell	65
25	1965	The F.B.I.	Richard Lenk	55
26	1965	The F.B.I.	Richard Schaefer	55
27	1966	The Time Tunnel	Ensign Beard	76
28	1967	The Invaders	Ed Gidney	68
29	1967	The Invaders	Dr. Harry Mills	68
30	1968	Adam-12	Miles Wellman	70
31	1969	Love, American Style	Jim	61
32	1971	Cannon		65
33	1972	MAS*H	Tommy Gillis	79
34	1973	Police Story		69
35	1974	Sons and Daughters		0
36	1974	The Rockford Files	Leslie Hartman	75
37	1975	Doctors' Hospital		50
38	1976	The Practice		75
39	1976	McNaughton's Daughter	Lew Farragut	10
40	1976	Alice		71
41	1976	Quincy, M.E.		75
42	1976	C.P.O. Sharkey		68
43	1977	Lou Grant		73
44	1978	The Runaways		50
45	1979	Studs Lonigan	Moxey	95
46	1979	The Ropers		57
47	1980	Bosom Buddies		64
48	1981	Simon & Simon		67
49	1982	Fame		68
50	1982	Tales of the Gold Monkey		75
51	1982	Knight Rider	Sheriff Bruckner	76
52	1982	Knight Rider	Jeff Barnes	76
53	1982	Remington Steele	Emmett DeVore	71
54	1982	Newhart		71
55	1983	The A-Team	Dr. Fallone	75
56	1983	Automan		78
57	1984	Highway to Heaven		74
58	1984	Charles in Charge	Walter Powell	61
59	1985	The Golden Girls	Malcolm Gordon	75
60	1985	Hollywood Beat		50
61	1985	Lime Street		55
62	1985	Growing Pains	Uncle Bob	65
63	1985	The New Alfred Hitchcock Presents	Everett	72
64	1985	Amazing Stories	Erhardt	75
65	1989	The New Lassie		70
66	1989	Doogie Howser, M.D.		66
67	1991	Harry and the Hendersons	Andrew Henderson	57
68	1993	Good Advice	Man in Bookstore	60
69	1994	ER	Oliver	78
70	1995	Hope and Gloria	Bill	50
71	1995	Caroline in the City	Mayor Paisley	64
72	1996	7th Heaven	Father Mulligan	64
73	1997	The Practice	Trevor Wayne	77
74	2005	Medium	Jury Foreman	75