Dallas: J.R. Returns
1996 · Harv Smithfield
The Drew Carey Show
1995 · Max Wagner
Madman of the People
1994 · Peter
Mad About You
1992 · Sid
Mad About You
1992 · Elevator Operator
Folks!
1992 · Sammy
Herman's Head
1991 · Mr. Waterton
Tales from the Darkside
1990 · Jack Blaine
Back to Hannibal: The Return of Tom Sawyer and Huckleberry Finn
1990 · Judge Cochran
Dear John
1988 · Lester
Planes, Trains and Automobiles
1987 · Martin
Baby Boom
1987 · Everett Sloane
Wiseguy
1987 · Don Rudy Aiuppo
Something in Common
1986 · Uncle Louie
L.A. Law
1986 · Dwight Kroft
Tales from the Darkside
1984 · Jack Blaine
Night Court
1984 · Mr. Kimmel
The Day After
1983 · Dr. Landowska
St. Elsewhere
1982 · Mr. Ewell
Newhart
1982
Knight Rider
1982 · Dr. Quentin Tanner
The Million Dollar Infield
1982
Goldie and the Boxer Go to Hollywood
1981 · Frank
The Dream Merchants
1980 · Fraser
City in Fear
1980
Skag
1980
Goldie and the Boxer
1979 · Sifty
Silent Victory: The Kitty O'Neil Story
1979 · Warren Porter
A Fire in the Sky
1978 · Hank
With This Ring
1978 · Kyle Saxton
The Amazing Spider-Man
1978 · Defense Lawyer
Dallas
1978 · Harv Smithfield (as George O. Petrie)
Dallas
1978 · Harv Smithfield
The Other Side of the Mountain: Part II
1978 · Doctor in Los Angeles
The Love Boat
1977 · David Barnes
Panic in Echo Park
1977
The Father Knows Best Reunion
1977 · Dr. Evans
The Deadliest Season
1977 · President MacCloud
Tail Gunner Joe
1977 · Chas. Kraus
Raid on Entebbe
1976 · Chaim Zadok
Murder on Flight 502
1975 · Ferguson
Petrocelli
1974 · Mannie
The Molly Maguires
1970 · Prosecutor (uncredited)
Hawaii Five-O
1969 · Austin Summers
Ballad of Smokey the Bear
1966 · Fox (voice)
The Wild Wild West
1965 · Col. Petrie
The Munsters
1964
The Addams Family
1964 · Dr. Jonley
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