Zac Efron to hang with HBO's 'Entourage.' Guess who he's playin'?

Zac Efron will stretch his acting wings for a cameo (?) in an upcoming episode of HBO's Emmy-winning series "Entourage."

According to Zap2It.com's Korbi TV blog, Efron will play himself in an episode of the hit series that filmed  at the Beverly Hills Niketown boutique this morning.

So we're just guessing he's may be seen shopping for sneakers?

"Entourage" returns to HBO July 12.

Related Zac dish:

Zac and Christian Siriano compare hair at MTV Movie Awards. What kind of spray gel do you use?

Photo: WireImage