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