Zac Efron has been already seen in Thailand with his co-star Russell Crowe for the film Greatest Beer Run Ever. The two actors were spotted walking down a street side by side.This week it was announced the34-year-old High School Musical alum will be seen in the flick alongside Crowe, 57.The film is adapted from Joanna Molloy's and John 'Chickie' Donahue's bookThe Greatest Beer Run Ever: A True Story of Friendship Stronger Than War.
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