Guest Stars Harry Lawtrey as Robert Blakiston Pippa Haywood as Claire Jenkins / Clarissa Pye Ian Lloyd Anderson as Brent / Writer Jude Hill as Young Sam Karen Westwood as Mary Blakiston Nia Deacon as Joy Sanderling Chukwuma Omambala as Rev Robeson / Rev Osborne Karl Collins as Jack White / Jack Whiteley Sanjeev Kohli as Sajid Khan / Dr Kamal Nathan Clarke as Freddy / Frederick Sutara Gayle as Gemma Whiteley Danielle Ryan as Alice Azeem Alahi as Aziz San Shella as Chris Fletcher Morgan C. Jones as Dr Rafter Kate Lamb as Woman Fan Beverly Longhurst as Dr Benson James Flynn as Klaus Killian Donnelly as German Guard Jack Toland as Teenager
