10. Margo Harshman as Tawny Dean.
Disney Channel, CBS
Most recently, Harshman has played recurring-character Delilah Fielding on NCIS, but she’s also spent her post-Disney career acting in The Big Bang Theory, Modern Family, House, and more.
11. Jim Wise as Coach Tugnut.
Disney Channel, Twitter: @therealjimwise
From 2002 to 2009, Wise was a writer on MADtv. Since then, he’s been a writer on The Jay Leno Show, The Tonight Show with Jay Leno, The Arsenio Hall Show, Best Time Ever with Neil Patrick Harris, Carpool Karaoke, and more.
12. George Anthony Bell as Principal Wexler.
Disney Channel, instagram.com
ICYMI, Bell is a well-known dialect coach who helped the characters on Gilmore Girls keep up with all of their fast-paced lines. Acting-wise, Bell has appeared in Grey’s Anatomy, Cougar Town, as well as Gilmore Girls and Gilmore Girls: A Year in the Life (playing two different roles). (You can check out some of his pics with the GG cast on his Instagram!)
Images: Buzzfeed.com