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.
Filmography
The Merv Griffin Show
Dick Powell's Zane Grey Theatre
The Oscars
What's My Line?
Alias Smith and Jones
The Real McCoys
The Ford Television Theatre
Cavalcade of America
The Guns of Will Sonnett
The Dinah Shore Chevy Show
This Is Your Life
No Image
Lux Video Theatre
The Glen Campbell Goodtime Hour
Rio Bravo
No Image
The George Gobel Show
The Invisible Man
How the West Was Won
Bride of Frankenstein
To Rome with Love
Red River
Schlitz Playhouse of Stars
Sergeant York
My Darling Clementine
To Have and Have Not
The Far Country
Fury
Bad Day at Black Rock
Support Your Local Sheriff!
The Movie Orgy
Dakota