Guest Stars Mark Bonnar as Peter Mayhew Sebastian Armesto as Louis Wesley Matt Bardock as Mark Craig Stephen Lord as Raymond Keane Anna Wilson-Jones as Helen Matherson Jordan Long as Jerry Clarke Michael Wildman as Det. Sup. David Milton Alistair Petrie as Charles Matherson Gary Oliver as John Gulliver Julia Rosnowska as Eva Alec Utgoff as Roman Nowak Jack Gordon as Elias Wesley Bart Suavek as Adam Jannsen Joan Iyiola as Karen Andrews Georgia Kerr as P.A. Jamie Maclachlan as Policeman Kerry Shale as Museum Expert Naomi Yang as Susan Chen Paddy Daly as Forklift Driver