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