Gossip Girl star Ed Westwick has been cast in Take Down, a new thriller from the director of I Know What You Did Last Summer.

The film is based on a remote island where rich parents send their children to a camp where they are taught survival skills and responsibility.

When they are taken hostage by kidnappers seeking a huge ransom, the children must do everything they can to survive.

Dominic Sherwood, Phoebe Tonkin and Jeremy Sumpter will also star alongside Westwick in the film which is being directed by Jim Gillespie.

Westwick has recently appeared in Romeo & Juliet and will next be seen in A Conspiracy on Jekyll Island.