Nightsleeper series two casts Morgan, Mantock and Cooke as leads

Colin Morgan, Madeleine Mantock and Christian Cooke will lead Nightsleeper series two, a six-part thriller for BBC One and BBC iPlayer, Deadline reported on 14 September. Morgan plays Stephen 'Bo' Bowen, the National Cyber Security Centre's new technical director. Mantock plays Beth. Cooke plays Johnny. Filming is under way in Belfast. Nick Leather writes. Element Pictures produces.