Guest Stars Evelyn Hoskins as Shona Wark Alec Newman as Robert Ludlow Stephen Billington as Edward Thurlow Ciaran Kellgren as Cal McCoy Kezia Burrows as Cheryl Moran Joe Sims as Philip Londgen Damian Myerscough as Ian Leadbury Ania Wendzikowska as Vita Jankute Rhianwhen Bailey as Alison Samuel Bass as Liam Terry