Guest Stars Kevin Brennan as Michonnet Michael Logan as Hotel Manager John Barrard as Antoine Anthony Newlands as Theo Arthur Goullet as Handwriting expert Neil McCarthy as Henri Trochu Keith Marsh as Walter Stanley Van Beers as Insp. Castaing Nan Marriott-Watson as Madame Trochu Marie Ney as Madame Besson Jane Barrett as Yvette Veronica Wells as Rose Kenneth Adams as Booking Clerk
