Guest Stars Sam Stockman as DC Emerson Kent Claire Rushbrook as Dr. Caroline Llewellyn Ben Bishop as DC Finley Mansell Hannah Walters as DC Megan Riley Damian Dudkiewicz as Igor Angela Pleasence as Louise Iver Daisy Beaumont as Stella Knight William Beck as John Washington Brian Protheroe as Crispin Wingfield Jake Curran as Lee Bysack Georgine Anderson as Cecilia Cade Deddie Davies as Dorothy Cade Leemore Marrett Jr. as Nick Hempstead Janine Wood as Doctor Mary Roscoe as Cherry Thrapston