In Italy, almost all of her films were dubbed by Lidia Simoneschi. She was occasionally dubbed by Rosetta Calavetta and Renata Marini. She was dubbed once by Micaela Giustiniani in The Women (1939), once by Dina Perbellini and once by Paola Barbara in Suspicion (1941).

Worked tirelessly as a Nurses' Aide during WWII and made numerous appearances at the Hollywood Canteen in support of American troops.

Relations between Fontaine and her sister Olivia de Havilland were never all that strong and worsened in 1941, when both were nominated for 'Best Actress' Oscar awards. Their mutual dislike and jealousy escalated into an all-out feud after Fontaine won for Suspicion (1941). Despite the fact de Havilland went on to win two Academy Awards of her own, they remained permanently estranged.

Vice-President Emeritus of the Episcopal Actors' Guild of America.

Joan Fontaine has been a licensed pilot, a champion ballonist, an expert rider, a prize-winning tuna fisherman, and a hole-in-one golfer, a Cordon Bleu chef and is also a licensed interior decorator.

Her autobiography, "No Bed of Roses" was published in 1979. Ex-husband William Dozier thought a more appropriate title should have been, "No Shred of Truth".

Alfred Hitchcock and George Cukor were her favorite directors.

She became an American citizen on April 23, 1943.

Ex-sister-in-law of Pierre Galante and Marcus Goodrich.

When her sister, Olivia de Havilland, was 9 years old, she made a will in which she stated "I bequeath all my beauty to my younger sister Joan, since she has none".

Head of jury at the Berlin International Film Festival in 1982

She and Olivia de Havilland are the first sisters to win Oscars and the first ones to be Oscar-nominated in the same year.

Howard Hughes, who dated her sister Olivia de Havilland for awhile, proposed to Joan many times.

Daughter, Martita, born 3 November 1946, adopted 1952. Ran away in 1963. When Joan found her she was refused contact with the child on the premise that her Peruvian adoption was not valid in the United States. Martita maintained a relationship with her sister Debbie, but never spoke to or saw Joan again.

First husband Brian Aherne had a friend call her the night before their wedding to tell her he had cold feet and couldn`t marry her. Joan told the friend to tell him it was too late to call it off, that he had better be at the altar the next morning to marry her, and he could divorce her afterwards if he wanted. He was there at the altar and they remained married six years, never mentioning this incident to each other.

Became pregnant twice in 1964, at the age of 46, but miscarried both times.

The only actor or actress to win an acting Oscar in a film directed by Alfred Hitchcock. She won Best Actress for Hitchcock`s 1941 film Suspicion (1941).

Took her stage name from her step-father, George Fontaine.

At the age of three she scored 160 on an infant IQ test.

She is a licensed pilot, champion balloonist, expert rider, prize-winning tuna fisherman, a hole-in-one golfer, Cordon Bleu chef and licensed interior decorator.

Daughter, with William Dozier, Debbie Dozier (Deborah Leslie Dozier - born 11/5/1948).

Attended Oak Street School in Saratoga, California.

Joked that the musical comedy A Damsel in Distress (1937) set her career back four years. At the premiere, a woman sitting behind her loudly exclaimed, "Isn`t she awful!" during Fontaine`s onscreen attempt at dancing.

Daughter of film and stage actress Lillian Fontaine

Younger sister of actress Olivia de Havilland

Married 4 times.