Guest Stars Mark Bonnar as Peter Mayhew Alistair Petrie as Charles Matherson Matt Bardock as Mark Craig Sebastian Armesto as Louis Wesley Stephen Lord as Raymond Keane Anna Wilson-Jones as Helen Matherson Jordan Long as Jerry Clarke Michael Wildman as Det. Sup. David Milton Gary Oliver as John Gulliver Alec Utgoff as Roman Nowak Julia Rosnowska as Eva 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