Guest Stars Timothy Parsons as Bob the Troll Jessica Napier as Pia Catherine Terracini as Pathologist Ross Lonergan as Morgue Assistant Pascal Mercay as Vet Ben Kindon as Rowan Morley Trent Baines as Trent Morley Jessica Falkholt as Emma Bailey Brian Stenmark as Brian Morley Judith Crawley as Leanne Morley Melinda Challis as Charge Nurse Carey Parsons as Police Commissioner Finn Robbins as Photographer