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 Aimée Kelly Norma Guest Star Ben Caplan PC Peter Noakes Guest Star Max Macmillan Timothy Turner Guest Star Stephen McGann Dr. Patrick Turner Guest Star Jack Ashton Tom Hereward Guest Star Emerald Fennell Patsy Mount Guest Star Hugh Warren Producer Heidi Thomas Writer Minkie Spiro Director