Benedict Cumberbatch”s latest film, Ironbark, is due to begin filming later this month in London and the south-east.

The Cold War spy thriller tells the true story of British businessman Greville Wynne (Cumberbatch) who, together with his Russian source Oleg Penkovsky, helped the CIA infiltrate the Soviet nuclear programme, ultimately contributing to the resolution of the Cuban Missile Crisis.

Dominic Cooke directs Ironbark from Tom O”Connor”s screenplay; the pair also executive producer alongside Cumberbatch and Leah Clarke.

The producers are Adam Ackland for Sunnymarch alongside Rory Aitken, Ben Pugh and Ben Browning.

Production Intelligence subscribers can log in for more details on the feature including the studio, shoot dates and key HoDs on board. Non-subscribers can click here to request a free online demo.

Cumberbatch and Ackland founded Sunnymarch in 2013; the company has since gone on to produce The Child in Time for BBC One and Patrick Melrose for Sky Atlantic and Showtime, and has several projects in development including The War Magician and How to Stop Time.

Photo: Getty Images/WireImage/Amanda Edwards.