Guest Stars Jack Deam as DC Ken Blackstone Matt Lanigan as Michael Morton Christine Bottomley as Katy Heath Rick Warden as Mark Campbell Matthew Newman as Steven Morton John Lightbody as Paul Cain Oliver Woollford as Kyle Heath Geoff Bell as Jimmy Chivers Rebecca Calder as Chelsea Sushil Chudasama as Arcade Attendant Sara Powell as Head Teacher Andrew Frame as Roger Harris Ben Lambert as Joseph Forbes Darryl Clark as Reporter Heather Bleasdale as Marian Harris Jamie Rooney-West as Kevin