Zachary David Alexander "Zac" Efron (born October 18, 1987) is an American actor and singer. He began diễn xuất professionally in the early 2000s, and became known to young audiences after his roles in the Disney Channel Original Movie High School Musical, the WB series Summerland, and the 2007 film version of the Broadway musical Hairspray. Speaking to Newsweek in June 2006, director Adam Shankman described Efron as "arguably the biggest teen ngôi sao in America right now." In 2007, right before the release of High School Musical 2, Rolling Stone declared him the "poster boy for tweenyboppers" and...