Guest Stars Hannah New as Victoria Sophie Winkleman as Margot Charlotte Riley as Robina Lund Niccolò Senni as Fifty David Bamber as Bela von Block John Schwab as Lang Jefferis Lucy Gentili as Ariadne Getty Lea Gentili as Aileen Getty Oliver Gentili as Mark Getty Andrea Arcangeli as Angelo Andrew Havill as Patrick de Laszlo Antonio Giancarlo Zavatteri as Inspector Giordano Jack Laskey as Dr. Mackenzie Fabio Traversa as Ticket Seller Nicola Di Pinto as Luigi Cristiana Dell'Anna as Lucia Noble Foss-Bowen as Little Paul (Age 5) Kierston Wareing as Cockney Pauline Bella Dayne as Talitha Tim Key as Gavin Mario Vernazza as Pathologist Stefano Ambrogi as Swimmer Jennifer Daley as Opera Lady Michele de Paola as Reporter 1 Alessandro Procoli as Reporter 2 Diego Migeni as Taxi Driver Giulia Elettra Gorietti as Sophia Susie Fairfax as Aunt Susie