Alas, he ran into some trouble while auditioning for Director Adam Shankman.
Keep reading to find out why Efron almost couldn’t stick the part in “Hairspray.”
According to Efron, Director Adam Shankman actually thought the actor smiledtoomuch.

(Did you think it was possible to see too much of thoseattractive pearly whites?)
Efron reportedly tried to tone it down, but that only made things worse.
“It was impossible.

We’d definitely be thelastones to complain about Zac Efron smiling too much.