The following men have won the Best Actor Oscar for playing a part in the comedy genre.
The list also includes dramedy and dark comedy.
1934: Clark Gable, It Happened One Night
1940: Jimmy Stewart, The Philadelphia Story
1944: Bing Crosby, Going My Way
1965: Lee Marvin, Cat Ballou
1974: Art Carney, Harry and Tonto
1977: Richard Dreyfuss, The Goodbye Girl
1997: Jack Nicholson, As Good As It Gets
1998: Roberto Benigni, Life Is Beautiful
1999: Kevin Spacey, American Beauty