Guest Stars Carol Royle as Mrs Carrie Bright Stephanie Leonidas as Violetta Talenti Ryan Gage as Ludo Talenti Flora London as Bridget Mulcahy Sam Ferriday as Carl Sturgis Richard Harrington as Dr Dai Ferman Holli Dempsey as Jenny Tate Naomi Battrick as Dr Naomi Benford Reece Ritchie as Dr Jeremy Kreitsek Lucy Briers as Mrs Blish Beverley Klein as Mrs Carlin Nicola Duffett as Reet Ellison Angus Wright as Professor Donald Blish John Hales as Saward Oliver Boot as Tony Jakobssen Lucy Farrar as Molly Andrews