It's no secreted in Hollywood that certain actors are always called in to play specific roles. But imagine having been cast as a teenager for the last 17 years.

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Born in March 1979, Bianca Lawson's first acting debut was at age 9. Thanks to her youthful good looks, this television veteran seems to have created a niche for herself by portraying only teenage roles.

This L.A. native's first big gig was on Saved by the Bell: The New Class, where she was almost 30 by the time she was cast as 16-year-old student Megan Jones.

She then appeared as teen slayer Kendra on Buffy the Vampire Slayer in 1997. Two years later, she took on the role of Nikki Green on Dawson's Creek. After taking hiatus, she returned as the teenage ghost of Emily Bennett on Vampire Diaries in 2009.

She then went on to play Maya St. Germain, a teenager in the pilot of Pretty Little Liars, and remained a teen when until leaving the show in 2012. She was almost 30 by the time she was cast as a 16-year-old in the reboot of Beverly Hills 90210.

While her current role as Ms. Morrel on Teen Wolf is a little more mature (a French teacher and guidance counselor) but she's still has the stuff to pull off playing a teen. 

Reddit