Zac Efron Completed Rehab Five Months Ago

Zac Efron arrives at the 'Parkland' premiere during the 2013 Toronto International Film Festival at Roy Thomson Hall on September 6, 2013 in Toronto Zac Efron arrives at the 'Parkland' premiere during the 2013 Toronto International Film Festival at Roy Thomson Hall on September 6, 2013 in Toronto

Zac Efron quietly went to rehab earlier this year.

The actor completed a rehab stint about five months ago, a source told Access Hollywood.

The former “High School Musical” star recently turned up at the Toronto International Film Festival, where he attended the premiere of his film “Parkland,” looking healthy and happy.

PHOTOS: Celebs Who Have Been In Rehab

“He’s doing great,” the source told Access. “He’s not drinking.”

Efron’s new film, “Parkland,” due out on October 4, recounts the events that happened at Parkland Hospital on the day of the John F. Kennedy assassination.

PHOTOS: Zac Efron

E! News was first to report the story of the actor’s rehab stay.

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