Game of Thrones star Charles Dance and Oscar-winner Helen Hunt have joined new British film A Patriot.

They join the previously announced Eva Green in the project which is due to begin filming in August.

Tim Robbins and Kathy Bates were due to co-star when the project was first announced but have since dropped out due to scheduling issues.

A Patriot takes place in a future authoritarian state that has walled itself away from a world ravaged by climate chaos and resource wars.

The story follows an unquestioning Border Corp Captain as she fights to defend the purity of the population, until a chance discovery makes her doubt the authorities she has pledged her allegiance and life to protect.

The film is being directed by Dan Pringle and produced by Adam J Merrifield.