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.
Martin Hammond
Chip
Jenks
Col. Collins
Sen. Patrick Geary
Sen. Dillon
Rhodes
Joe Johnson
Senator Pat Geary
Sam
General Corman
Franklin Bradshaw
President
Harry Thurmont
George Bates
Reverend Lemon
Lucas Bass
Cmdr. Maurice E. Curts (uncredited)
General Hanley
Ben Bradlee
Mystery Man
Sam Bayard
Lee's Associate
R.J. Hacker
General Eichelberger
Sheriff Buelton
Anse Howard
Parker Davis
Hiram Stoker
Gerald Conway
Hal Henderson
Philindros
Arthur Clements
Gen. Bentley Durrell
Reverend Foster
Sen. Patrick Geary
Pastor Dyer
B. A. Strothers
Coach Smith
Doctor Tristler
Walter Jefferson
Gen. Winfield
Chief Hogan
Sam Jennings
General Thornton
Dr. Stone
Gordon Hale
Elliot P. Grantham / Patient Zero
Bob Elder
Witness / Doctor
President Andrew Jackson
Kermin
Detective
Military Judge
Philip