Year-by-Year: 1950s

1950

1. Sunset Boulevard
2. All About Eve
3. Rashomon
4. Harvey
5. The Asphalt Jungle
6. Winchester '73
7. Cinderella
8. Born Yesterday
9. Father of the Bride

Best Director: Billy Wilder, Sunset Boulevard

Best Actor: James Stewart, Harvey

Best Actress: Gloria Swanson, Sunset Boulevard

Best Supporting Actor: George Sanders, All About Eve

Best Supporting Actress: Josephine Hull, Harvey

1951

1. Scrooge
2. Strangers on a Train
3. Outcast of the Islands
4. A Place in the Sun
5. Ace in the Hole
6. A Streetcar Named Desire
7. The Lavender Hill Mob
8. Alice in Wonderland
9. The Browning Version
10. The African Queen

Best Director: Brian Desmond Hurst, Scrooge

Best Actor (one of the greatest years of all-time for the category): 

1. Michael Redgrave, The Browning Version
2. Trevor Howard, Outcast of the Islands
3. Robert Walker, Strangers on a Train
4. Alistair Sim, Scrooge
5. Montgomery Clift, A Place in the Sun

Best Actress: Vivien Leigh, A Streetcar Named Desire

Best Supporting Actor: Peter Ustinov, Quo Vadis

Best Supporting Actress: Kim Hunter, A Streetcar Named Desire

1952

1. Ikiru
2. The Quiet Man
3. High Noon
4. The Holly and the Ivy
5. Limelight
6. The Importance of Being Earnest
7. The Sound Barrier
8. Cry, the Beloved Country
9. Sudden Fear

Best Director: Akira Kurosawa, Ikiru

Best Actor: Takashi Shimura, Ikiru

Best Actress: Joan Crawford, Sudden Fear

Best Supporting Actor: Barry Fitzgerald, The Quiet Man

Best Supporting Actress: Margaret Leighton, The Holly and the Ivy

1953

1. Stalag 17
2. Ugetsu
3. From Here to Eternity
4. The Wages of Fear
5. Roman Holiday
6. The Naked Spur
7. Shane
8. Julius Caesar
9. The Big Heat

Best Director: Billy Wilder, Stalag 17

Best Actor: William Holden, Stalag 17

Best Actress: Audrey Hepburn, Roman Holiday

Best Supporting Actor: Robert Ryan, The Naked Spur

Best Supporting Actress: Deborah Kerr, From Here to Eternity

1954

1. On the Waterfront
2. Seven Samurai
3. Rear Window
4. 20,000 Leagues Under the Sea
5. Dial M For Murder
6. A Star is Born
7. Hobson's Choice
8. Sabrina
9. The Caine Mutiny
10. The Glenn Miller Story

Best Director: Akira Kurosawa, Seven Samurai

Best Actor: Marlon Brando, On the Waterfront

Best Actress: Eva Marie Saint, On the Waterfront

Best Supporting Actor: Lee J. Cobb, On the Waterfront

Best Supporting Actress: Thelma Ritter, Rear Window

1955

1. Marty
2. Night of the Hunter
3. Bad Day at Black Rock
4. The Ladykillers
5. Lady and the Tramp
6. Richard III
7. Mister Roberts
8. A Kid For Two Farthings
9. The Trouble With Harry
10. The Dam Busters

Best Director: Charles Laughton, Night of the Hunter

Best Actor: Ernest Borgnine, Marty

Best Actress: Katie Johnson, The Ladykillers

Best Supporting Actor: Jack Lemmon, Mister Roberts

Best Supporting Actress: Betsy Blair, Marty

1956

1. The Ten Commandments
2. Giant
3. The Killing
4. Attack
5. The Wrong Man
6. Lust for Life
7. The King and I
8. Godzilla
9. The Man Who Never Was
10. Moby Dick

Best Director: Robert Aldrich, Attack

Best Actor: Kirk Douglas, Lust for Life

Best Actress: Deborah Kerr, Tea and Sympathy

Best Supporting Actor: James Dean, Giant

Best Supporting Actress: Anne Baxter, The Ten Commandments

1957

1. Paths of Glory
2. Bridge on the River Kwai
3. Heaven Knows, Mr Allison
4. Twelve Angry Men
5. The Seventh Seal
6. Throne of Blood
7. Sweet Smell of Success
8. Witness for the Prosecution
9. Wild Strawberries
10. 3:10 to Yuma

Best Director: Stanley Kubrick, Paths of Glory

Best Actor: Alec Guinness, Bridge on the River Kwai

Best Actress: Deborah Kerr, Heaven Knows, Mr Allison

Best Supporting Actor: Sessue Hayakawa, Bridge on the River Kwai

Best Supporting Actress: Isuzu Yamada, Throne of Blood

1958

1. Vertigo
2. Ice Cold in Alex
3. The Hidden Fortress
4. Touch of Evil
5. The Horse's Mouth
6. Run Silent, Run Deep
7. The Defiant Ones
8. Dunkirk
9. Separate Tables
10. The Blob

Best Director: Alfred Hitchcock, Vertigo

Best Actor: James Stewart, Vertigo

Best Actress: Sylvia Syms, Ice Cold in Alex

Best Supporting Actor: Anthony Quayle, Ice Cold in Alex

Best Supporting Actress: Kim Novak, Vertigo

1959

1. Anatomy of a Murder
2. Hiroshima Mon Amour
3. Ben-Hur
4. North by Northwest
5. Our Man in Havana
6. The Devil's Disciple
7. Diary of Anne Frank
8. The 400 Blows
9. Imitation of Life
10. Rio Bravo

Best Director: William Wyler, Ben-Hur

Best Actor: James Stewart, Anatomy of a Murder

Best Actress: Emmanuelle Riva, Hiroshima Mon Amour

Best Supporting Actor: Joseph Schildkraut, Diary of Anne Frank

Best Supporting Actress: 

1. Juanita Moore, Imitation of Life
2. Lee Remick, Anantomy of a Murder
3. Susan Kohner, Imitation of Life
4. Shelley Winters, Diary of Anne Frank
5. Eva Marie Saint, North by Northwest