Zac Efron returns in "Charlie St. Cloud"

“High School Musical” star Zac Efron grows up in “Charlie St. Cloud”

Are you ready for this?

Here’s the first official trailer for “Charlie St. Cloud,” a coming-of-age drama starring none other Central Coast native  Zac Efron.

Based on the book by Ben Sherwood and directed by Burr Steers (“Igby Goes Down,” “17 Again”, the film follows a young man (Efron) so overcome by grief at the death of his younger brother, Sam (Charlie Tahan, “Nights in Rodanthe”), that he takes a job as caretaker of the cemetery in which his brother is buried.

When he meets Tess (Amanda Crew, “The Haunting in Connecticut”), a girl whose love of sailing rivals his own,  Charlie is forced to make a choice — between keeping his promise to Sam and going after the girl he loves.

Kim Basinger co-stars as Charlie’s mom. The rest of the cast includes Ray Liotta, Donal Logue, Dave Franco, Chris Massoglia and Tegan Moss.

“Charlie St. Cloud” is a considerable step up for Efron, who only a few years ago was setting juvenile hearts aflutter in the “High School Musical” movies.

Although he’s dabbled in drama (“Me and Orson Welles”), the 22-year-old actor is best known for lighter, sunnier fare such as “Hairspray” and “17 Again.”

“Charlie St. Cloud” should give him the chance to stretch his dramatic muscles a bit, while preparing for a challenging roster.

So far, he’s got a spy thriller (“Fire”), an action-adventure flick (“Jonny Quest”) and a drug thriller (a remake of Sweden’s “Snabba Cash”) in the hopper. Not bad for a kid from San Luis Obispo.

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“Charlie St. Cloud” opens in theaters on Oct. 15. Stay tuned!