Guest Stars Lily Loveless as Anna Robbie Gee as DCI Armstrong Sophie Wu as Jay Theo Barklem-Biggs as DC Firth Chris Mason as Steve Jenn Murray as Natalie Ruth Gemmell as Alice Ian Hanmore as Polus Craig Conway as Phil Karl Collins as Higgy Genevieve Barr as Maddy Nicholas Khan as Dr. Jamison Ciaran O'Quigley as Farmer Roald Smeets as Doctor Caiman