Guest Stars John Hannah as Insp. Tom Campbell Pip Torrens as Noël Coward Amanda Holden as Lucy Eyelesbarrow Celia Imrie as Madame Joilet Ciarán McMenamin as Cedric Crackenthorpe Griff Rhys Jones as Dr. David Quimper Neve McIntosh as Martine Michael Landes as Bryan Eastley Jenny Agutter as Agnes Crackenthorpe Ben Daniels as Alfred Crackenthorpe David Warner as Luther Crackenthorpe Rob Brydon as Insp. Awdry Kurtis O'Brien as Alexander Eastley Niamh Cusack as Emma Crackenthorpe Charlie Creed-Miles as Harold Crackenthorpe Pam Ferris as Elspeth McGillicuddy Rose Keegan as Lady Alice Tim Stern as Attendant Tasha Bertram as Olga Meritxell Lavanchy as Anna Stravinska Toby Marlow as James Stoddard-West