Guest Stars James Davies as Jarvis Patterson Hattie Morahan as Ruth Brooks Saskia Reeves as Alison McLennan Juliet Stevenson as Diana Ellerby Zoe Telford as Freya Carlisle Melanie Kilburn as Pauline Turrill Shannon Tarbet as Samantha Coyle Adam Garrett as Delivery Man Antonia Campbell-Hughes as Chloe Brooks Orlando Seale as Dr. Beckham Hassani Shapi as Dr. Copeland Joanne Pearce as Marion Ferber Kathryn O'Reilly as Poppy Toynton Stephanie Street as Lakshmi Eyre James Rochfort as Edward Florey Ian Bleasdale as Mr. Festing Dylan Charles as Adrian Royal Uncredited Susannah Todd as Alumnae Guest Violet Macdonald as Young Freya
