Film

No.	Year	Title	Role	Vote Average
1	1944	Winged Victory	Barker	55
2	1949	Swiss Tour	Sidney	80
3	1952	At Sword's Point	Chalais	48
4	1962	Gypsy	George	64
5	1963	Hud	Joe Scanlon	73
6	1963	Wall of Noise	Mr. Harrington	36
7	1964	He Rides Tall	Crowley	56
8	1966	Ballad of Smokey the Bear	Fox (voice)	35
9	1970	The Molly Maguires	Prosecutor (uncredited)	63
10	1975	Murder on Flight 502	Ferguson	57
11	1976	Raid on Entebbe	Chaim Zadok	60
12	1977	Tail Gunner Joe	Chas. Kraus	60
13	1977	The Deadliest Season	President MacCloud	60
14	1977	The Father Knows Best Reunion	Dr. Evans	55
15	1977	Panic in Echo Park		49
16	1978	With This Ring	Kyle Saxton	0
17	1978	A Fire in the Sky	Hank	55
18	1979	Silent Victory: The Kitty O'Neil Story	Warren Porter	70
19	1979	Goldie and the Boxer	Sifty	45
20	1980	Skag		0
21	1980	City in Fear		51
22	1981	Goldie and the Boxer Go to Hollywood	Frank	0
23	1982	The Million Dollar Infield		0
24	1983	The Day After	Dr. Landowska	67
25	1984	I'll Give You a Million	Jack Blaine (as George O. Petrie)	0
26	1986	Something in Common	Uncle Louie	60
27	1987	Baby Boom	Everett Sloane	64
28	1987	Planes, Trains and Automobiles	Martin	72
29	1990	Back to Hannibal: The Return of Tom Sawyer and Huckleberry Finn	Judge Cochran	61
30	1990	Tales from the Darkside	Jack Blaine	60
31	1992	Folks!	Sammy	55
32	1996	Dallas: J.R. Returns	Harv Smithfield	54

Television

No.	Year	Title	Role	Vote Average
1	1959	The Twilight Zone	Driver	85
2	1960	Checkmate	Jack Pennell	41
3	1960	The Andy Griffith Show	Lenny	76
4	1960	The Andy Griffith Show	Joe Layton	76
5	1961	The Defenders	Detective Handley	62
6	1962	The Alfred Hitchcock Hour	Rogers	78
7	1962	The Alfred Hitchcock Hour	Henry	78
8	1962	Ensign O'Toole	Lt. Commander Dickery	65
9	1964	The Addams Family	Dr. Jonley	80
10	1964	The Addams Family	Dr. Black	80
11	1964	The Munsters		79
12	1965	The Wild Wild West	Col. Petrie	75
13	1977	The Love Boat	David Barnes	63
14	1978	Dallas	Harv Smithfield (as George O. Petrie)	69
15	1978	Dallas	Harv Smithfield	69
16	1978	The Amazing Spider-Man		60
17	1980	The Dream Merchants	Fraser	45
18	1982	Knight Rider	Dr. Quentin Tanner	76
19	1982	Newhart		71
20	1984	Night Court	Mr. Kimmel	74
21	1984	Tales from the Darkside	Jack Blaine	72
22	1988	Dear John	Lester	57
23	1991	Herman's Head	Mr. Waterton	66
24	1992	Mad About You	Sid	67
25	1992	Mad About You	Elevator Operator	67
26	1994	Madman of the People	Peter	60
27	1995	The Drew Carey Show	Max Wagner	66