Guest Stars Esther Hall as Ellie Simm Natasha Little as Vicki Westbrook Lorcan Cranitch as Patrick McCann Benedict Cumberbatch as Jim North Enzo Cilenti as Carlo Franceschini Bill Buckhurst as Bomb Disposal Officer Teresa Churcher as Sarah Karel Roden as Miroslav Gradic Emma Barton as MI5 Officer Ben Fox as MI5 Officer Martin Cole as SAS Officer Rebecca Johnson as Civil Servant Rad Lazar as Gradic Henchman Graham Christopher as George
