Guest Stars Robert Lonsdale as Ollie Daniel Laurie as Zack Mary Roscoe as Tina Jamie Wilkes as Dan Amanda Wilkin as Leanne Matthew Flynn as Detective Davis Joe Bannister as William the Estate Agent Charlyne Francis as Detective Prior Mathias Swann as Ed Emily Woof as Emily Jane Shakespeare as Coroner Rebecca Root as Lindsay Shannon Murray as Head Teacher Shauna Shim as School Counsellor George Eggay as Colin