Famous Birthdays on August 12

Celebrities born on August 12 include Cecil B. DeMille, Pete Sampras, Casey Affleck. Here are 9 of the best-known actors, singers, TV stars and sports legends born on this day.

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Celebrities born on August 12

• Cecil B. DeMille
  Actor · Director · Born Aug 12, 1881
  Died 1959
• Pete Sampras
  Athlete · Born Aug 12, 1971
  Age 55
• Casey Affleck
  Actor · Director · Born Aug 12, 1975
  Age 51
• Cara Delevingne
  Actor · Singer · Born Aug 12, 1992
  Age 34
• Mark Knopfler
  Musician · Singer · Born Aug 12, 1949
  Age 77
• John Cazale
  Actor · Born Aug 12, 1935
  Died 1978
• George Hamilton
  Actor · Director · Born Aug 12, 1939
  Age 87
• Bruce Greenwood
  Actor · Born Aug 12, 1956
  Age 70
• Jane Wyatt
  Actor · Born Aug 12, 1910
  Died 2006

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