Happy Birthday, Zac Efron! The High School Musical Cast, Then and Now (PHOTOS)

High School Musical taught us that “we’re all in this together,” but what has the cast of this breakout Disney Channel film series been up to after graduating from East High?

In honor of star Zac Efron's 26th birthday today (October 18), click through the gallery to see what your favorites are up to these days!

10.18.2013 / 05:30 PM EDT by Rachel McRady
Related: News, Features, Former Disney Stars, Movies, TV, TV Nostalgia, TV Stars

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