Enjoy these 21 hilarious and eye-rolling cases of Hollywood’s adult high schoolers!
1. Paul Rudd — Played Andy Fleckner in ‘Wet Hot American Summer’ at age 31.
![](https://www.barnorama.com/wp-content/uploads/2024/06/1-3.jpg)
2. Alan Ruck — Played Cameron Frye in ‘Ferris Bueller’s Day Off’ when he was around 30 years old.
![](https://www.barnorama.com/wp-content/uploads/2024/06/2-2.jpg)
3. Cory Monteith — Played Finn Hudson on ‘Glee’ until his death at age 31.
![](https://www.barnorama.com/wp-content/uploads/2024/06/3-3.jpg)
4. Charisma Carpenter — Played Cordelia Chase in ‘Buffy the Vampire Slayer’ starting at age 27.
![](https://www.barnorama.com/wp-content/uploads/2024/06/4-1.jpg)
5. Jason Earles — Played Jackson Stewart in ‘Hannah Montana’ at age 29.
![](https://www.barnorama.com/wp-content/uploads/2024/06/5.jpg)
6. Darren Barnet — Played Paxton Hall-Yoshida in ‘Never Have I Ever’ starting at age 29.
![](https://www.barnorama.com/wp-content/uploads/2024/06/6-1.jpg)
7. Matt Damon — Played Scott Thorson in ‘Behind the Candelabra’ at age 42.
![](https://www.barnorama.com/wp-content/uploads/2024/06/7-2.jpg)
8. Barbra Streisand — Played Yentl Mendel in ‘Yentl’ when she was 41.
![](https://www.barnorama.com/wp-content/uploads/2024/06/8-1.jpg)
9. Rachel McAdams — Played Regina George in ‘Mean Girls’ at age 26.
![](https://www.barnorama.com/wp-content/uploads/2024/06/9-2.jpg)
10. Andrew Garfield — Played Peter Parker in ‘The Amazing Spider-Man’ when he was 27.
![](https://www.barnorama.com/wp-content/uploads/2024/06/10.jpg)
11. Gabrielle Union — Played Isis in ‘Bring It On’ at age 27.
![](https://www.barnorama.com/wp-content/uploads/2024/06/11-2.jpg)
12. Gabrielle Carteris — Played Andrea Zuckerman in ‘Beverly Hills, 90210’ at age 29.
![](https://www.barnorama.com/wp-content/uploads/2024/06/12-1.jpg)
13. Amanda Seyfried — Played an 18-year-old Elizabeth Holmes in ‘The Dropout’ at age 36.
![](https://www.barnorama.com/wp-content/uploads/2024/06/13-1.jpg)
14. Stockard Channing — Played Rizzo in ‘Grease’ at age 33.
![](https://www.barnorama.com/wp-content/uploads/2024/06/14-1.jpg)
15. Audrey Hepburn — Played Holly Golightly in ‘Breakfast at Tiffany’s’ when she was 31.
![](https://www.barnorama.com/wp-content/uploads/2024/06/15-1.jpg)
16. Meredith Monroe — Played Andie McPhee on ‘Dawson’s Creek’ at age 29.
![](https://www.barnorama.com/wp-content/uploads/2024/06/16-4.png)
17. Keiko Agena — Played Lane Kim in ‘Gilmore Girls’ starting at at age 27.
![](https://www.barnorama.com/wp-content/uploads/2024/06/17-5.png)
18. Bianca Lawson — Played Maya St. Germain in ‘Pretty Little Liars’ at age 31
![](https://www.barnorama.com/wp-content/uploads/2024/06/18-6.png)
19. Shirley Henderson — Played Moaning Myrtle in ‘Harry Potter and the Chamber of Secrets’ at age 36.
![](https://www.barnorama.com/wp-content/uploads/2024/06/19-3.png)
20. Stacey Dash — Played Dionne Davenport in ‘Clueless’ when she was 28.
![](https://www.barnorama.com/wp-content/uploads/2024/06/20-4.png)
21. Henry Winkler — Played Arthur “Fonzie” Fonzarelli in ‘Happy Days’ unit he was roughly 39 years old.
![](https://www.barnorama.com/wp-content/uploads/2024/06/21-4.png)