Zac Efron is 21, Vanessa Hudgens is 20, Ashlet Tisdale is 23, Lucas Grabeel is 24, Corbin Bleu is 19, Monique Coleman is 28, Olesya Rulin is 22, Chris Warren Jr. is 18, Ryne Sanborn is 19, KayCee Stroh is 24.
Steven Strait was born in 1986, which would make him 22 now, or 20 at the time of the movie.
Laura Ramsey was born in 1982, which would make her 26 now, or 24 at the time of filming.
Sebastian Stan...
Demi Lovato is 16 Alyson Stoner 15 Nick Jonas is 16 Joe Jonas is 19 Kevin Jonas is 20 Anna Maria Perez de Tagle is 17 Jasmine Richards is 18 Meaghan Jette Martin is 16 Maria Canals Barrera (she plays...