Guest Stars James Grout as Chief Superintendent Strange John Gielgud as Lord Hinksey Alan David as Sir Watkin Davies Rachel Weisz as Arabella Baydon Sheila Gish as Gwladys Probert Robert Hardy as Andrew Baydon Brian Bovell as Pierre Glen Davies as Policeman Doug Bradley as Clergyman Williams Joan Blackham as Helen Buscott Allan Corduner as Gentile Bellocchio Harry Ditson as Simon Vavasseur Janet Jefferies as Reporter Don Fellows as Lyman Stansky Celia Montague as Adele Baydon Myles Hoyle as Reporter Philip Childs as Police Detective Elaine English as Tammy Paul Rattigan as Mark Scott Michaela Noakes as Janet Steven Beard as Florist Jason Arcari as Police Constable Julian Curry as Alan Cartwright Jennifer Piercey as Mrs Thompson Caroline Berry as Mari Probert Julie Legrand as Brigitte De Plessy David Shimwell as Police Constable Paul Stacey as Stephen Bartlett Ian Keith as Police Sergeant Iain Rattray as Fingerprint Lab Director Jean Anderson as Lady Hinksey Charles Walker-Wise as Page Boy Billy Hartman as Police Sergeant Michael Vaughan as Reporter Lynne Verrall as Librarian John Bluthal as Victor Ignotas Uncredited Colin Dexter as Man in Sheldonian Theatre Behind Lord Hinksey
