High School Musical News: Zac Efron thinks his fans are 'insane'

High School Musical Magazine - news, reviews, videos, photo gallery and free mp3 playlist.

The 21-year-old actor was greeted by the deafening shrieks of his young admirers when he arrived at the UK premiere of his new film '17 Again' in London's Leicester Square last night (26.03.09).

Zac - who rose to fame in Disney's teen hit 'High School Musical' - spent half an hour signing autographs and posing for picture with fans, who overwhelmed him with their enthusiasm and volume.

Speaking about his warm welcome, the actor told BANG Showbiz: "It's insane. This is the biggest one yet. It's so crazy."

In the film, Zac plays the younger self of Mike O'Donnell, a frustrated businessman who...