Guest Stars Fiona Dolman as Sarah Barnaby Steve Pemberton as Timothy Benson Aisling Loftus as Tegan Langton Sean Gallagher as Errol Judd Susan Hampshire as Delphi Hartley Vanessa Hehir as Belinda Tressel Stirling Gallacher as Cleo Langton Michael Obiora as Dr. Oliver Marcet Amit Shah as Shray Varma Tom Price as Perry Tressel Simon Nagra as Dhruv Varma Sara Crowe as Ailsa Benson Navinder Bhatti as Jayesh Varma Maxim De Villiers as Seb Huntington