Does Zac Efron Know Lines From His Most Famous Movies?

Zac Efron tries to identify lines from some of his most well-known movies. He talks about coming of age with his 'High School Musical' castmates, learning from Mathew Perry on the set of '17 Again' and transforming into the wrestler Kevin von Erich for 'The Iron Claw.' Watch more 'Know Their Lines' Videos from Variety:    • Know Their Lines | Variety   00:00 Intro 00:13 High School Musical 01:31 Neighbors 02:07 Dirty Grandpa 03:04 Baywatch 03:45 New Year’s Eve 04:36 High School Musical 3 05:51 17 Again 07:01 The Iron Claw http://bit.ly/VarietySubscribe   / variety     / variety     / variety