Acting
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
Falcon Crest
The Fugitive
Mission: Impossible
M*A*S*H
Mannix
Wagon Train
Hawaii Five-O
Ironside
The Philco Television Playhouse
Matinee Theater
Maverick
Charlie's Angels
Robert Montgomery Presents
The Virginian
Have Gun, Will Travel
Lawman
The Alfred Hitchcock Hour
Run for Your Life
Dr. Kildare
Cheyenne
Hart to Hart
Cannon
The F.B.I.
Highway to Heaven
The Big Valley
Medical Center
Remington Steele
The Invaders
Lou Grant
Barnaby Jones
Gunsmoke
The Defenders
Hawaiian Eye
77 Sunset Strip
Hardcastle and McCormick
CHiPs
Vega$
Matt Houston
The Streets of San Francisco
The Bionic Woman
Switch
Kraft Suspense Theatre
Lancer
12 O'Clock High
Wonder Woman
McMillan & Wife
Judd, for the Defense
F Troop
I Spy
Tombstone Territory
Banacek
Ghost Story
Arrest and Trial
Cimarron Strip
The Roaring 20's
Bourbon Street Beat
Suspicion
The Great Adventure
The Lieutenant
Barbary Coast
The Dakotas
Rich Man, Poor Man
The Winds of War
The Manhunter
Wire Service
The Swiss Family Robinson
The Eddie Capra Mysteries
Backstairs at the White House
The Further Adventures of Ellery Queen
Once an Eagle
Schlitz Playhouse of Stars
Lucas Tanner
Attack on Terror: The FBI vs. the Ku Klux Klan
Kung Fu