Zac Efron's new movie Charlie St Cloud

The trailer for High School Musical star Zac Efron's new movie Charlie St Cloud has been released.

In the movie Zac plays St Cloud, a budding sailor whose younger brother is killed in a car crash.

St Cloud battles with a promise he made to his dead sibling and his new found love Tess, played by Amanda Crew.

The movie is based on Ben Sherwood's 2004 novel The Death and Life of Charlie St Cloud.

The film also stars Kim Basinger and Ray Liotta and is out in the UK from 8th October