3. Corbin Bleu
Corbin has released a musical album and charmed us on Dancing with the Stars.
4. Kaycee Stroh
Kaycee has a recurring role on The Suite Life of Zach and Cody and was also on a season of Celebrity Fit Club.
5. Lucas Grabeel
Lucas currently plays Toby Kennish in ABC Family's Switched at Birth.
6. Oleysa Rulin
Oleysa starred in the two High School Musical sequels and also costarred with Jessica Simpson in 2009's Private Valentine.
7. Ashley Tisdale
Ashley's post-HSM music album went gold, and in 2008 she formed an entertainment production company, but she's perhaps best well-known now for speaking out about her nose job.
8. Monique Coleman
Monique also appeared on Dancing with The Stars; in 2001, she was named the first ever UN Youth Champion for the International Year of Youth