Swank won the Oscar for Boys Don't Cry when she was only 25 years old, and she also won her second Oscar for Million Dollar Baby at 30.
She was the second and first ever woman to win an EGOT, and she was also the first to win the Triple Crown of Acting.
Luise Rainer, who was 27 at the time, was a two-time Oscar-winning actress for her roles in The Great Ziegfeld as well as The Good Earth.
She earned two Academy Awards for Best Supporting Actress in Hannah & Her Sisters as well as Bullets over Broadway.
His career accomplishments include Oscars and BAFTAs as well as Emmys, Grammys, and Golden Globes.
Douglas was a highly successful actor, winning two Oscars for Best Supporting Actor Hud & Being there.
Winters won two Academy Awards for Best Supporting Actress in The Diary of Anne Frank, and A Patch of Blue.
British actor Glenda Jack won two Academy Awards in the late 1960s or early 1970s for Best Actress in the Late 1960s and Early 1970s for her roles in the films Women in Love, and A Touch of Class.
His first Oscar was for the seminal horror film Dr. Jekyll and Mr. Hyde. And he won his second Oscar for The Best Years of Our Lives, a wartime drama.
Brennan was the first actor in history to win three Academy Awards for his acting in The Westerner, Kentucky, and Come and Get It.