Gabrielle Union was 28 when she landed a role alongside Kristen Dunst in Bring It On. Thanks to her youthful looks, no one could tell she wasn’t a teenager.
Clueless was classic movie for teenagers in the 90’s. It was so popular that it later spawned into its on series on UPN. Stacey Dash was 29 when she landed the role in the 1995 movie.
There was a huge age gap between Keiko Agena and her character, Lane Kim on Gilmore Girls. She was 27 at the time the series was on air.
Jon Heder was 26 when he played the teenager, Napoleon Dynamite. The film went on to become a cult classic.