Guest Stars Katherine Kelly as Permanent Secretary Simona Brown as Grace Nasser Memarzia as Omar Barghati 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