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