Actors Zac Efron (R) and Vanessa Hudgens watch the Los Angeles Lakers play the Utah Jazz during the second half of Game 1 of their NBA Western Conference quarter-final basketball game in Los Angeles, April 19, 2009. "High School Musical" heartthrob Efron graduated to the big leagues at the North American box office on Sunday as his new comedy crushed a weighty thriller starring Russell Crowe. [Agencies]