Zac Efron Remembers ’17 Again’ ‘Mentor’ Matthew Perry: ‘He Taught Me So Much’

Zac Efron spoke with Access Hollywood at the “The Iron Claw” premiere and opened up about his training for the role calling it the “hardest thing” he’s ever done. He also remembered his “17 Again” co-star and “mentor” Matthew Perry saying that he taught him “so much.” “The Iron Claw” is out in theaters on Dec. 22.