
Walter Brennan
Walter Andrew Brennan (July 25, 1894 – September 21, 1974) was an American actor and singer. He won the Academy Award for Best Supporting Actor for his performances in Come and Get It (1936), Kentucky (1938), and The Westerner (1940), making him one of only three male actors to win three Academy Awards. Brennan was also nominated for his performance in Sergeant York (1941). Other noteworthy performances were in To Have and Have Not (1944), My Darling Clementine (1946), Red River (1948), and Rio Bravo (1959). Description above from the Wikipedia article Walter Brennan, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known for

The Merv Griffin Show
1962

What's My Line?
1950

Dick Powell's Zane Grey Theatre
1956

Dick Powell's Zane Grey Theatre
1956

The Ford Television Theatre
1952

The Oscars
1953

The Real McCoys
1957

This Is Your Life
1952

The Dinah Shore Chevy Show
1956

The Guns of Will Sonnett
1967

Alias Smith and Jones
1971

Rio Bravo
1959

Cavalcade of America
1952

The Glen Campbell Goodtime Hour
1969

The Invisible Man
1933

Bride of Frankenstein
1935

How the West Was Won
1962

Red River
1948

To Rome with Love
1969

The Far Country
1954

My Darling Clementine
1946

Sergeant York
1941

Support Your Local Sheriff!
1969

The Movie Orgy
1968