Guest Stars Katherine Kelly as Permanent Secretary Nasser Memarzia as Omar Barghati Simona Brown as Grace Buffy Davis as Pearl Sam Redford as Jasper Abigail McKern as Mayhew's Secretary Branwell Donaghey as British Squaddie Alexander Delescu as Latvian Soldier Malcolm Freeman as Mr. Burr Yahyaoui Mohamed as Talyan Said Bay as Cengiz Umit Ulgen as Taxi Driver Said Taibi as Receptionist