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 Teresa Churcher as Sarah Ben Fox as MI5 Officer Rebecca Johnson as Civil Servant Rad Lazar as Gradic Henchman Graham Christopher as George Bill Buckhurst as Bomb Disposal Officer Karel Roden as Miroslav Gradic Emma Barton as MI5 Officer Martin Cole as SAS Officer
