Best Supporting Actor: 1950s

1950: George Sanders, All About Eve

Oscar winner: George Sanders, All About Eve

1951: Robert Walker, Strangers on a Train

Oscar winner: Karl Malden, A Streetcar Named Desire
Was he nominated?: No

1952: Donald O'Connor, Singin' in the Rain

Oscar winner: Anthony Quinn, Viva Zapata!
Was he nominated?: No

1953: Frank Sinatra, From Here to Eternity

Oscar winner: Frank Sinatra, From Here to Eternity

1954: Rod Steiger, On the Waterfront

Oscar winner: Edmond O'Brien, The Barefoot Contessa

Was he nominated?: Yes

1955: Jack Lemmon, Mister Roberts

Oscar winner: Jack Lemmon, Mister Roberts

1956: James Dean, Giant

Oscar winner: Anthony Quinn, Lust for Life
Was he nominated?: Yes (for Best Actor)

1957: Gunnar Bjornstrand, The Seventh Seal

Oscar winner: Red Buttons, Sayonara
Was he nominated?: No

1958: Burl Ives, Cat on a Hot Tin Roof

Oscar winner: Burl Ives, The Big Country

1959: James Mason, North by Northwest

Oscar winner: Hugh Griffith, Ben-Hur

Was he nominated?: No