Guest Stars Pippa Haywood as Claire Jenkins / Clarissa Pye Harry Lawtrey as Robert Blakiston Ian Lloyd Anderson as Brent / Writer Karen Westwood as Mary Blakiston Jude Hill as Young Sam Dorothy Atkinson as Lady Frances Pye Chukwuma Omambala as Rev Robeson / Rev Osborne Joel Birkett as Young Robert Lorcan Cranitch as Sir Magnus Pye / Max Ryeland Sanjeev Kohli as Sajid Khan / Dr Kamal Nathan Clarke as Freddy / Frederick David Herlihy as Matthew Blakiston Dan Siron as Workman