
Acting
Leo Vincent Gordon (December 2, 1922 – December 26, 2000) was an American film and television character actor as well as a screenplay writer and novelist. During more than 40 years in film and television, he was frequently cast as a supporting actor playing brutish bad guys. Description above from the Wikipedia Leo Gordon licensed under CC-BY-SA, full list of contributors on Wikipedia.

Perry Mason
1957

Lassie
1954

Bonanza
1959

The Andy Griffith Show
1960

The Rifleman
1958

Little House on the Prairie
1974

Cannon
1971

Have Gun, Will Travel
1957

The Rockford Files
1974

Magnum, P.I.
1980

Maverick
1957

Adam-12
1968

Get Smart
1965

The Virginian
1962

Dick Powell's Zane Grey Theatre
1956

Cheyenne
1955

Moonlighting
1985

St. Elsewhere
1982

The Life and Legend of Wyatt Earp
1955

Daniel Boone
1964

Rawhide
1959

The Untouchables
1959

Lawman
1958

seaQuest DSV
1993

Gunsmoke
1955

Marcus Welby, M.D.
1969

The F.B.I.
1965

The Streets of San Francisco
1972

Route 66
1960

The High Chaparral
1967

Tarzan
1966

Fame
1982

Wiseguy
1987

McCloud
1970

12 O'Clock High
1964

Bat Masterson
1958