Filming for Mad Dogs S4 is to begin at the end of January. The cast are travelling out to Cape Town on the 28th January and filming is expected to last 6 weeks. This would explain why Philip was unable to transfer to the Olivier with This House.

The news was inadvertently announced by Max Beesley on Twitter but, after John Simm tweeted him to remind him it was "supposed to be a secret", he has removed it.

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