Andrew Duggan (December 28, 1923 – May 15, 1988) was a character actor. Description above from the Wikipedia article Andrew Duggan, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Bonanza
Series • 1959
M*A*S*H
Series • 1972
Falcon Crest
Series • 1981
Wagon Train
Series • 1957
Ironside
Series • 1967
Remington Steele
Series • 1982
Hawaii Five-O
Series • 1969
The Fugitive
Series • 1963
The Philco Television Playhouse
Series • 1948
Mannix
Mission: Impossible
Series • 1966
Have Gun, Will Travel
The Alfred Hitchcock Hour
Series • 1962
Maverick
Charlie's Angels
Series • 1976
The Virginian
Robert Montgomery Presents
Series • 1950
Dr. Kildare
Series • 1961
Cannon
Series • 1971
Highway to Heaven
Series • 1984
Hart to Hart
Series • 1979
The Big Valley
Series • 1965
Cheyenne
Series • 1955
Barnaby Jones
Series • 1973
Lou Grant
Series • 1977
Medical Center
Lawman
Series • 1958
The Ed Sullivan Show
The Defenders
The F.B.I.