Guest Stars Jack Deam as DC Ken Blackstone Christine Bottomley as Katy Heath Oliver Woollford as Kyle Heath Geoff Bell as Jimmy Chivers Rebecca Calder as Chelsea John Lightbody as Paul Cain Matthew Newman as Steven Morton Rick Warden as Mark Campbell Sushil Chudasama as Arcade Attendant Marcus Willcock as Andre Petri Hugh O'Brien as Press Photographer Christopher Cowlin as Police Officer Gabriela Romanov as Mrs. Petri Hannah Blamires as Police Officer Laura Richmond as Pathologist Olivia Popica as Angela Petri Phil Pease as Paramedic