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