Famous Birthdays on July 21

Celebrities born on July 21 include Robin Williams, Ernest Hemingway, Charlotte Gainsbourg. Here are 7 of the best-known actors, singers, TV stars and sports legends born on this day.

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Celebrities born on July 21

• Robin Williams
  Actor · Comedian · Born Jul 21, 1951
  Died 2014
• Ernest Hemingway
  Journalist · Director · Born Jul 21, 1899
  Died 1961
• Charlotte Gainsbourg
  Actor · Singer · Born Jul 21, 1971
  Age 55
• Josh Hartnett
  Actor · Born Jul 21, 1978
  Age 48
• Don Knotts
  Actor · Comedian · Born Jul 21, 1924
  Died 2006
• Norman Jewison
  Actor · Director · Born Jul 21, 1926
  Died 2024
• Jon Lovitz
  Actor · Comedian · Born Jul 21, 1957
  Age 69

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Celebrity data from Wikidata, updated November 2026. Ages are as of November 14, 2026.