Guest Stars Caroline O'Neill as Win Thursday Abigail Thaw as Dorothea Frazil Sara Vickers as Joan Thursday Shvorne Marks as Monica Hicks Nick Waring as Force Medical Examiner Liam Garrigan as Tony Frisco Jessie Buckley as Kitty Batten Pooky Quesnel as Muriel Todd Jessica Ellerby as Diana Day Philip Martin Brown as Bernard Yelland Beth Goddard as Barbara Batten Jonathan Coy as Archie Batten Samuel Oatley as Mallory Ksenia Lavrentieva as Frida Yelland James Palmer as Justin Delfarge Nigel Cooke as Walter Fisher David Westhead as Val Todd Jamie Parker as Dr. Matthew Copley-Barnes Michael Hobbs as Returning Officer William Mannering as Dr Malcolm Speight Celyn Jones as Jenkins Emily Plumtree as Lydia Martin Uncredited Colin Dexter as Don on Bench outside Beaufort College
