Began acting in his high school theater productions

Made TV debut on an episode of “Firefly” (FOX)

Played one of two autistic twins in the Lifetime original movie “Miracle Run”

Joined the cast of the WB series “Summerland” as Cameron Bale

Cast as Troy Bolton in the Disney Channel original movie “High School Musical”

Cast as Link Larkin in a film version of “Hairspray,” starring Amanda Bynes, Queen Latifah and John Travolta

Reprised his role for the Disney Channel movie “High School Musical 2”

Appeared in third and final Disney Channel movie “High School Musical 3: Senior Year”

First solo lead role in a feature, the high school-set comedy, "17 Again"