Guest Stars Rebecca Scroggs as Ari Branson Carolina Valdés as Nadiuska De Sancha Alec Newman as Joe Baker Stephen Boxer as Dr. Roger Gunnislake Lu Corfield as Sgt Tania Walsh Faith Alabi as Layla Backhurst Antony Byrne as Jim Telby Lucy Phelps as Saskia Cobb Daniel Adegboyega as Marcus Backhurst Ernest Kingsley Jr. as Luke Seham Aar as Sia 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
