Guest Stars Fiona Dolman as Sarah Barnaby Tamzin Malleson as Dr. Kate Wilding Samuel Anderson as Perry Stevens Harriet Walter as Diana Davenport Anna Wilson-Jones as Emma Harris David Bark-Jones as Patrick Tilman Laura Girling as Perry's Customer Caroline Munro as Evil Priestess Sinéad Cusack as Stella Harris Henry Goodman as Cy Davenport Alexander Owen as Roderick Usher Pearce Quigley as Colin Yule Georgina Beedle as Young Stella Joseph Beattie as Scott Davenport Alice Sykes as Rosie Harris John Carson as Older Gentleman Pandora Clifford as Juliet Tilman Rhiannon Harper-Rafferty as Nurse Sasha Waddell as Eve Lomax Thomasin Rand as Young Diana
