Tom HollanderDouglas Petersen / Executive Producer Saskia ReevesConnie Petersen Gina BramhillYoung Connie Iain De CaesteckerYoung Douglas Charlotte SpencerKaren Petersen Severine Howell-MeriCassie Giuseppe BonifatiItalian Receptionist Lucia SaavedraSpanish Receptionist Luca Matteo ZizzariItalian police officer Charlie ArcherYoung Albie Jo McClellanExecutive Producer Tom HollanderDouglas Petersen / Executive Producer Greg BrenmanExecutive Producer Hannah PescodExecutive Producer Roanna BennExecutive Producer Christine AndertonProducer Ed RutherfordDirector Of Photography Sophie KennyThird Assistant Director Oli JulianOriginal Music Composer Yousaf BokhariLine Producer 
