Guest Stars Raresh DiMofte as Tomasz Eoin Duffy as Sergeant O'Brien Chris McCurry as Ricky Siobhán O'Kelly as Claire McDonnell Luke Roberts as Marlowe / Dr Watkins Mark Lawrence as Doctor Katie McCann as News Reader Madi O'Carroll as Nurse Galvin Ramiro Danza as Carlos Rosaleen Cox as Sophie (Estate Agent) Tabitha Ruigu as Nurse 1