Guest Stars Belinda Lang as Mrs Clam Virginia Fiol as Sister Reginald Carolyn Pickles as Reverend Mother Adrian Tina Chiang as Sister Peter Mark Williams as Father Brown Naoko Mori as Lilly Ardwell Bryony Hannah as Madeleine Rigley Dylan Wood as Francis Scritton Jay Simpson as Alfie Lynch Julian Firth as Dickie Whitfield Gerald Kyd as Gerry Ardwell