World War Z has been filming since June, but it's never too late to pick up a new cast member, with David Morse signing on.

The actor will portray a prisoner who still lives in his abandoned jail. It isn't known how large of a role David Morse will have. He joins a cast which includes Brad Pitt, Bryan Cranston, Mireille Enos, Matthew Fox, and James Badge Dale.

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Marc Forster is directing World War Z from a script he co-wrote with Matthew Michael Carnahan and J. Michael Straczynski. It isn't known how much principal photography is left for World War Z.