Hilary Swank won the Oscar for Best Actress in a Leading Role in 1999.
Emma Thompson won the Oscar for Best Actress in a Leading Role in 1992.
Audrey Hepburn won the Oscar for Best Actress in a Leading Role in 1953.
Bette Davis won the Oscar for Best Actress in a Leading Role in 1938.
Anne Bancroft won the Oscar for Best Actress in a Leading Role in 1962.
Sarah Miles was nominated for her role in "Ryan's Daughter"
Cher won the Oscar for Best Actress in a Leading Role in 1987.
No, Meryl Streep did not win an Oscar for Mama Mia. She was not even nominated. Meryle Streep has been nominated for the following films.Nominated Oscar Best Performance by an Actress in a Leading Role for: Julie & Julia (2009)Nominated Oscar Best Performance by an Actress in a Leading Role for: Doubt (2008)Nominated Oscar Best Performance by an Actress in a Leading Role for: The Devil Wears Prada (2006)Nominated Oscar Best Actress in a Supporting Role for: Adaptation. (2002)Nominated Oscar Best Actress in a Leading Role for: Music of the Heart (1999)Nominated Oscar Best Actress in a Leading Role for: One True Thing (1998)Nominated Oscar Best Actress in a Leading Role for: The Bridges of Madison County (1995)Nominated Oscar Best Actress in a Leading Role for: Postcards from the Edge (1990)Nominated Oscar Best Actress in a Leading Role for: Evil Angels (1988)Nominated Oscar Best Actress in a Leading Role for: Ironweed (1987)Nominated Oscar Best Actress in a Leading Role for: Out of Africa (1985)Nominated Oscar Best Actress in a Leading Role for: Silkwood (1983)Won Oscar Best Actress in a Leading Role for: Sophie's Choice (1982)Nominated Oscar Best Actress in a Leading Role for: The French Lieutenant's Woman (1981)Won Oscar Best Actress in a Supporting Role for: Kramer vs. Kramer (1979)Nominated Oscar Best Actress in a Supporting Role for: The Deer Hunter (1978)
Joan Crawford won the Oscar for Best Actress in a Leading Role in 1945.
Geraldine Page won the Oscar for Best Actress in a Leading Role in 1985.
Elizabeth Taylor won the Oscar for Best Actress in a Leading Role in 1960.
Faye Dunaway won the Oscar for Best Actress in a Leading Role in 1976.
Ginger Rogers won the Oscar for Best Actress in a Leading Role in 1940.