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Co-written and directed by Anthony Hayes, the edge-of-your-seat film is currently in its third week of production, with Efron set to star as one of two strangers who stumbles upon the biggest gold nugget ever found while travelling through the desert.
The two characters team up to protect and excavate the gold, but when one of them leaves to get equipment, the other is left alone and begins to suspect he has been abandoned.
Cue harsh desert elements, wild dogs and mysterious intruders. We honestly can't wait!
Efron shared a behind-the-scenes image of the film shoot on his Instagram, where he was barely recognisable as the downtrodden and slightly grubby looking stranger.
In the pic, a bearded Efron waves his phone in the air trying to find signal, while taking shelter from the extreme heat in a makeshift tent.
Efron is best known for his role as High School Musical's Troy Bolton. He starred alongside Vanessa Hudgens in the musical film franchise from 2006 to 2008.
More recently, the actor starred in 2017's The Greatest Showman as Phillip Carlyle, a playwright and showman partner.
As well as co-writing the film with Polly Smyth and directing the juicy thriller, Anthony Hayes, whose previous film credits include The Light Between Oceans and Animal Kingdom, will also star alongside Efron and Sam Worthington (Avatar) in the movie.
Gold is being filmed in the Flinder Ranges region of Australia and production is due to finish in late December. There's currently no word as to when the film will reach cinemas but we hope it's not too long of a wait!
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