Guest Stars James Grout as Chief Superintendent Strange Richard Hampton as Coroner Dominic Keating as Murray Stone Adrian Dunbar as John Marriat Samantha Bond as Helen Marriat Thomas Craig as Desk Sergeant Joanna David as Susan Fallon David Haig as Peter Rhodes Tony Mathews as Pathologist Lesley Vickerage as WPC Martyn Waites as Duty Constable James Walker as Henry Fallon Richard Pasco as William Bryce-Morgan Christopher Owen as Solicitor James Grant as McGregor Susan Jane Tanner as Nurse Rogers Michael Tomlinson as Constable Alexander John as Court Official Roger Frost as Photographer Greer Gaffney as Henrietta Fallon Vincent Pickering as Telephone Exchange Man Brendan O'Hea as Telecom Engineer Uncredited Colin Dexter as Man at Reception After Schubert Concert