5. Jennifer Grey and Patrick Swayze
When Jennifer Grey was in Dirty Dancing with Patrick Swayze, her character Baby was only 17. Jennifer was 27 at the time of filming. Patrick was supposed to be 25 in the movie, but he was 34 in real life.
6. Winona Ryder
Winona Ryder starred in Girl, Interrupted. Her character Susanna Kayson was 18 years old, but Winona was a decade older at the time of filming.
7. Alan Ruck
Alan Ruck starred as Cameron in Ferris Bueller’s Day Off. While Cameron was 17 years old and in high school, Alan was actually 30 at the time.
8. Gabrielle Carteris
During the original Beverly Hills, 90210, Gabrielle played 16-year-old Andrea Zuckerman. She was actually 29, not a high schooler!
Did any of these ages surprise you?