Guest Stars Carolina Valdés as Nadiuska De Sancha Rebecca Scroggs as Ari Branson Alec Newman as Joe Baker Stephen Boxer as Dr. Roger Gunnislake Lu Corfield as Sgt Tania Walsh Faith Alabi as Layla Backhurst Ernest Kingsley Jr. as Luke Antony Byrne as Jim Telby Daniel Adegboyega as Marcus Backhurst Seham Aar as Sia Lucy Phelps as Saskia Cobb Joséphine De La Baume as Julia Giroux Jayne McKenna as Janet Telby Ellis George as Callie Backhurst Shamail Ali as Babbar Amina Koroma as Kumba
