The 18 year-old star of High School Musical, Summerland, and Miracle Run, among others, will join a cast that includes John Travolta, Queen Latifah, Amanda Bynes and Billy Crystal.
The actor wasn’t hiding his enthusiasm when he spoke to Entertainment Tonight. "I’m very excited," Zac told ET. "I can’t believe the cast, it’s absolutely amazing!"
The film adaptation of the successful Broadway musical should be in theatres in 2007.