Guest Stars Tom Chadbon as Henry Williams Richard Dillane as Sean Anderson Michael Socha as Ryan Malone Colin Wells as DI Moreland Bradley Gardner as Callum Malone Elizabeth Rider as Cathy Malone Rosie Rowell as Julie Chantrey Neil Maskell as Lenny Matt Di Angelo as Tom Nick Bartlett as Paul Ty Glaser as Michelle Alison Carney as Pathologist Matt Cross as Kevin Collinson Rebecca Dite as DC Morgan Roy Heather as Drunken Man Kiki Kendrick as Scarlett Kelli Hollis as Martha Black