Known for Acting

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.
1982
as Dr. Copper
1990
as Barbwire Salesman
1987
as Cromwell
1985
as Coy LaHood
1998
as Henry Sears
1985
as Abe
1979
as Dr. Robert Allenby
1995
as J. Edgar Hoover
1975
as Lehman
1985
as Dr. Nielsen
1985
as Dr. Lee
1979
as Trevor Isley
1979
as Secretary of Defense
1975
as Claude Estee
1989
as President Harry S. Truman
1963
as Accountant (uncredited)
1968
as Motel Receptionist
1971
as Dr. Welbeck
1995
as Henry L. Stimson
1974
as Master Bryant