Brad Pitt due to start filming in Essex

The actor, 47, will be shooting scenes at the Essex and Suffolk Water treatment works.

Parts of the building will be transformed into a Korean prison for the zombie flick which has a budget of £125million. The Fight Club star, who famously has six children with Angelina Jolie, is expected to start filming at the end of this week.

The film is set to hit UK cinemas in December 2012.

Filming is only taking place at part of the site, which will remain fully operational while the cast and crew are there.

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