Guest Stars Hannah New as Victoria Charlotte Riley as Robina Lund Sophie Winkleman as Margot 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 Andrew Havill as Patrick de Laszlo Andrea Arcangeli as Angelo Antonio Giancarlo Zavatteri as Inspector Giordano Jack Laskey as Dr. Mackenzie Fabio Traversa as Ticket Seller Cristiana Dell'Anna as Lucia Noble Foss-Bowen as Little Paul (Age 5) Nicola Di Pinto as Luigi Kierston Wareing as Cockney Pauline Bella Dayne as Talitha Tim Key as Gavin Stefano Ambrogi as Swimmer Mario Vernazza as Pathologist 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 Jennifer Daley as Opera Lady