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 Jessie Buckley as Kitty Batten Liam Garrigan as Tony Frisco Ksenia Lavrentieva as Frida Yelland Philip Martin Brown as Bernard Yelland Pooky Quesnel as Muriel Todd Jessica Ellerby as Diana Day Jonathan Coy as Archie Batten William Mannering as Dr Malcolm Speight Beth Goddard as Barbara Batten Samuel Oatley as Mallory David Westhead as Val Todd Jamie Parker as Dr. Matthew Copley-Barnes Michael Hobbs as Returning Officer Celyn Jones as Jenkins Emily Plumtree as Lydia Martin James Palmer as Justin Delfarge Nigel Cooke as Walter Fisher Uncredited Colin Dexter as Don on Bench outside Beaufort College
