Guest Stars Siobhán Cullen as Josephine Fallon Fenella Woolgar as Sister Gearing Natasha Little as Matron Mary Taylor Lily Newmark as Morag Smith Eliot Salt as Madeleine Goodale Richard Dillane as Stephen Courtney-Briggs Amanda Root as Sister Brumfett Avin Shah as Rohan Chopra Alice Nokes as Julia Pardoe Helen Aluko as Christine Dakers Robin Kristoffy as Shirley Burt Alex Kristoffy as Maureen Burt Brid Brennan as Mrs. Dettinger Laura Hughes as Librarian