QUIZ: Guess How Old These Actors Really Were When They Played In Iconic Teen Roles

Olivia Newton-John is well known for playing Sandy in Grease, where she and the other primary characters are still in high school. How old was Newton-John in real life, though?

Retry Correct Incorrect The English-Australian actress and singer was 28 when filming for Grease began in 1977. Producers were concerned she was too old to play a high school senior, but her screen test with John Travolta helped her land the role.

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Olivia Newton-John is well known for playing Sandy in Grease, where she and the other primary characters are still in high school. How old was Newton-John in real life, though?

• 25
• 19
• 28
• 31