Guest Stars Samuel West as Tony Wainwright Blake Ritson as Graham Marshall Lindsey Coulson as Hester Reed Joe Armstrong as Darren Roland Oliver as DS Robert Mills Diana Hardcastle as Deborah Proctor David Yelland as Guy Proctor Georgia Mackenzie as Lisa Conroy Wayne Foskett as Robert Tanner Isabella Calthorpe as Emily Proctor Vee Vimolmal as Cleaner Ciaran McIntyre as O'Neill Uncredited Martin Heathcote as Police Officer