Known for Acting

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.
1959
as Stumpy
1935
as Peasant (uncredited)
1933
as Bicycle Owner (uncredited)
1962
as Jeb Hawkins
1948
as 'Groot' Nadine
1936
as Bugs Meyers
1951
as 'Doc' Butcher
1942
as Sam Blake
1946
as Old Man Clanton
1941
as Pastor Rosier Pile
1966
as Quentin
1993
as 'Stumpy' (archive footage)
1939
as Ezra Peavey (edited from 'The Buccaneer')
1945
as Eddie
1939
as Jeff Slocum
1969
as Pa Danby
1967
as D.J. Mulrooney / Knobby
1955
as Doc T.R. Velie Jr.
1997
as Self (archive footage)
1934
as Chauffeur (uncredited)