Technically, films do not win the Academy Award (Oscar) for Best Actor. Actors win that award. At the first few Academy Awards, people were nominated for their work in several films, rather than their performance on a single film. This proved difficult right away, and the current system was adopted very soon.
The first Oscar for Best Actor went to Emil Jennings for his work in two films: The Last Command and The Way of All Flesh.
One Flew Over the Cuckoos Nest
Spencer Tracy won the Best actor Oscar in 1938 for the film Boys' Town.
Denzel Washington won an Oscar for Best Supporting Actor for the movie "Glory" (1989) and an Oscar for Best Actor for the movie "Training Day" (2001).
Ben Kingsley won the 1982 Oscar for best actor in the movie "Gandhi" for his role as Mohandas Karamchand Gandhi.
Sayonara.
Tom Hanks earned his first Best Actor nomination for the 1988 comedy "Big," which was the first film directed by Penny Marshall.
Paul Muni won the Oscar for Best Actor for The Story of Louis Pasteur.
Gladiator
Gandhi
The film was called Network.
Thomas Mitchell won an Oscar for Best Actor in a Supporting Role for: Stagecoach (1939)
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