Guest Stars Bertie Haarer as Young Nicholas Ravenscroft George Haarer as Young Nicholas Ravenscroft Michael Spicer as Simon Jung Ho-yeon as Jisoo Kim Gemma Jones as Helen Co Starring Adam El Hagar as Young Robert Ethan Lawrence as Tommy Marsha Millar as Jamaican Woman - Routemaster Adam Shaw as Peter Tommaso Sicuro as Waiter - Wiltons Paul Collin-Thomas as Elvis Emma Barley as Smack Den Woman Anya Marco-Harris as Aleena
