Gervase Duan Spradlin (August 31, 1920 – July 24, 2011) was an American actor. Known for his distinctive accent and voice, he often played devious authority figures. Description above from the Wikipedia article G. D. Spradlin, licensed under CC-BY-SA, full list of contributors on Wikipedia.

KNOWN FOR

Columbo
1977
Bonanza
1970
Adam-12
1973
Bob Hope Presents the Chrysler Theatre
1966
The Big Valley
1967
The Godfather Part II
1974
Alias Smith and Jones
1972
Apocalypse Now
1979
The Greatest American Hero
1981
It Takes a Thief
1970
Rich Man, Poor Man - Book II
1976
Cimarron Strip
1968

FILMOGRAPHY

All
Movies
TV
Acting
65
Directing
2
Producing
1
1999
Dick
as Ben Bradlee
1996
Riders of the Purple Sage
as Pastor Dyer
1996
Dark Skies
as Elliot P. Grantham / Patient Zero
1996
The Long Kiss Goodnight
as President
1996
Dark Skies
1995
Canadian Bacon
as R.J. Hacker
1995
Nick of Time
as Mystery Man
1994
Ed Wood
as Reverend Lemon
1994
Clifford
as Parker Davis
1993
Telling Secrets
as Walter Jefferson
1992
The Godfather Trilogy: 1901-1980
as Senator Pat Geary
1992
Cruel Doubt
as George Bates
1992
Intruders
as General Hanley
1991
Carolina Skeletons
as Hiram Stoker
1991
Shoot First: A Cop's Vengeance
as Chief Hogan
1989
The War of the Roses
as Harry Thurmont
1988
War and Remembrance
as Raymond A. Spruance
1987
Nutcracker: Money, Madness & Murder
as Franklin Bradshaw
1986
Resting Place
as Sam Jennings
1986
Houston: The Legend of Texas
as President Andrew Jackson
1986
Hallmark Hall of Fame
as Sam
1984
Tank
as Sheriff Buelton
1984
Call to Glory
as General Thornton
1983
The Lords of Discipline
as Gen. Bentley Durrell
1982
Wrong Is Right
as Philindros
1981
The Greatest American Hero
1980
The Formula
as Arthur Clements
1980
The Jayne Mansfield Story
as Gerald Conway
1979
Apocalypse Now
as General Corman
1979
North Dallas Forty
as B. A. Strothers
1978
Maneaters Are Loose!
as Gordon Hale
1978
And I Alone Survived
as Bob Elder
1977
One on One
as Coach Smith
1977
MacArthur
as General Eichelberger
1977
The November Plan
as Gen. Winfield
1977
Columbo
as Martin Hammond
1977
Mario Puzo's The Godfather: The Complete Novel for Television
as Sen. Patrick Geary
1976
City of Angels
1976
Rich Man, Poor Man - Book II
as Sen. Dillon
1975
Judgment: The Court Martial of Lt. William Calley
as Military Judge
1974
The Godfather Part II
as Senator Pat Geary
1973
Kung Fu
as Lucas Bass
1973
Adam-12
as Joe Johnson
1972
The Only Way Home
as Philip
1972
Alias Smith and Jones
1972
Search
1971
The Hunting Party
as Sam Bayard
1971
Who Killed the Mysterious Mr. Foster?
as Reverend Foster
1970
Zabriskie Point
as Lee's Associate
1970
Monte Walsh
as Hal Henderson
1970
Tora! Tora! Tora!
as Cmdr. Maurice E. Curts (uncredited)
1970
Dial Hot Line
as Dr. Stone
1970
Bonanza
as Chip
1970
It Takes a Thief
as Col. Collins
1969
Hell's Angels '69
as Detective
1969
Number One
as Doctor Tristler
1968
El juicio
as Kermin
1968
Cimarron Strip
1968
The Outsider
1968
Bonanza
as Jenks
1968
Cimarron Strip
as Kermin
1967
Will Penny
as Anse Howard
1967
The Big Valley
as Rhodes
1966
Pistols 'n' Petticoats
1966
Bob Hope Presents the Chrysler Theatre