Jessica Raine Jenny Lee Actor Jenny Agutter Sister Julienne Actor Pam Ferris Sister Evangelina Actor Judy Parfitt Sister Monica Joan Actor Helen George Trixie Franklin Actor Bryony Hannah Cynthia Miller Actor Miranda Hart Chummy Browne Actor Vanessa Redgrave Mature Jenny (voice) Guest Star Cliff Parisi Fred Guest Star Max Macmillan Timothy Turner Guest Star Stephen McGann Dr. Turner Guest Star Ella Smith Dolly Smart Guest Star Dorothy Atkinson Jane Sutton Guest Star Ben Caplan PC Peter Noakes Guest Star George Rainsford Jimmy Guest Star Leo Staar Alec Jesmond Guest Star Minkie Spiro Director Heidi Thomas Writer