Guest Stars Anna Maxwell Martin as Janine Ben Caplan as Charles Chapman Jonathan Newth as Geoffrey Shaun Parkes as Paul Okebu Nathalie Armin as Melissa Chapman Joe Sims as Vincent Tabak Colin Mace as Peter Stanley Andrew Hilton as Richard Flip Webster as Susan Anna Gorham as Charles and Melissa's Daughter Marcus May as Charles and Melissa's Son Carla Turner as Joanna Yeates Jennifer Higham as Tanja Matthew Barker as Greg Reardon Howard Coggins as Custody Officer Darren Seed as Police Officer Rachael Spence as Police Officer Ben Frimstone as Postman James Garnon as Reporter Joe Coen as DC Paul Batty George Potts as Police Doctor Marc Geoffrey as Custody Officer Catherine Kanter as Cousin James Lailey as DC Paul Connor Adam Sopp as Police Officer Sam Ellis as Police Officer Charlotte Melia as Police Officer Anna-Marie Paraskeva as Police Officer Gemma Reynolds as Police Officer Stuart McLoughlin as Police Officer