Guest Stars Juliet Stevenson voices Narrator Andrew Leung as Dr. Daniel Lynch Michael Elcock as PC Terry Foster Martin Trenaman as Inspector Derek Thorne Rebecca Grant as Natasha Young Rob Heaps as Ian Winterfield Pippa Nixon as Fiona Hutton Carmen Du Sautoy as Dame Blanche Chastain Ben McGregor as Ollie Ken Bones as Quentin Glover Natasha Calland as Amy Austen Jan Le as Erica George Irving as Sir Lawrence Shaw Rebecca Scroggs as Ursula Pittman James Doherty as Kenneth Ridley Chicago Johnson as Zoe Pittman Letty Thomas as Donquix Hotel Receptionist