Richard Dysart
Richard Allen Dysart (March 30, 1929 – April 5, 2015) was an American actor. He is best known for his role as senior partner Leland McKenzie in the television series L.A. Law (1986–1994), for which he won a 1992 Primetime Emmy Award as Outstanding Supporting Actor in a Drama Series after four consecutive nominations. In film, he held supporting roles in The Hospital (1971), Being There (1979), The Thing (1982), Mask (1985), Pale Rider (1985) and Wall Street (1987). Description above from the Wikipedia article Richard Dysart, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Back to the Future Part III
(Barbwire Salesman)
The Thing
(Dr. Copper)
Being There
(Dr. Robert Allenby)
Mask
(Abe)
The Day of the Locust
(Claude Estee)
Prophecy
(Trevor Isley)
The Hospital
(Dr. Welbeck)
Pale Rider
(Coy LaHood)
Warning Sign
(Dr. Nielsen)
The Terminal Man
(Dr. John Ellis)
Day One
(President Harry S. Truman)
Truman
(Henry L. Stimson)
The Hindenburg
(Lehman)
Todd McFarlane's Spawn
(Cogliostro (voice))
Bogie
(Jack Warner)
The Autobiography of Miss Jane Pittman
(Master Bryant)
Proteus: A Nineteenth Century Vision
(The Ancient Mariner (voice))
An Enemy of the People
(Aslaksen)
It Happened One Christmas
(Peter Bailey)
Six Against the Rock
(Warden James Johnston)
The Sporting Club
(Spengler)
The Lost Man
(Barnes)
Malice in Wonderland
(Louis B. Mayer)
Your Alcohol I.Q.
(Self)
Jay Leno's Family Comedy Hour
(Self)
First, You Cry
(Dr. Brennerman)
Meteor
(Secretary of Defense)
People vs. Jean Harris
(Judge Russell R. Leggett)
Moving Target
(Arthur Cambridge)
The Ordeal of Dr. Mudd
(Edwin Stanton)
The Crazy World of Julius Vrooder
(Father)
Petulia
(Motel Receptionist)
Everything Is Terrible! The Movie
(Self (archive footage))
Panther
(J. Edgar Hoover)
Todd McFarlane's Spawn 2
(Cogliostro)
Todd McFarlane's Spawn 3: The Ultimate Battle
(Cogliostro)
The Court-Martial of George Armstrong Custer
(President Ulysses S. Grant)
The Falcon and the Snowman
(Dr. Lee)
Riding with Death
(Leonard Driscoll)
Blood & Orchids
(Harvey Koster)
Missing Children: A Mother's Story
(Hunter Burgess)
L.A. Law: The Movie
(Leland McKenzie)
A Child Is Missing
(Riley Hallihan)
The Last Days of Patton
(Gen. Dwight D. Eisenhower)
Marilyn & Bobby: Her Final Affair
(J. Edgar Hoover)
Love with the Proper Stranger
(Accountant (uncredited))
Mickey's 60th Birthday
(Leland McKenzie)
Wall Street
(Cromwell)
Churchill and the Generals
(Gen. Dwight D. Eisenhower)
Hard Rain
(Henry Sears)
Bitter Harvest
(Dr. Morton Freeman)
Shadow Game
L.A. Law: Pilot
(Leland McKenzie)
L.A. Law
(Leland McKenzie)
Columbo
(Max Duval)
All in the Family
(Russ DeKuyper)
Maude
Baretta
E! True Hollywood Story
Cannon
Hallmark Hall of Fame
Doc
Doctors' Hospital
Spawn
(Nicholas Cogliostro (voice))
CBS Playhouse
The Defenders
(Mr. Westfall)
The Andros Targets
(Dr. Kipness)
Batman: The Animated Series
(Dr. Bartholomew (voice))
Lincoln
(Judge David Davis)