Guest Stars Helen Shingler as Mme. Maigret William Mervyn as Doctor Beckett Bould as Albert Kathleen Saintsbury as Sister Colin Jeavons as Jean Metayer Clive Morton as Gautier Susanna Carroll as Sonia Vassiliev William Franklyn as Count Maurice Meredith Edwards as Foreman Patrick Boxill as Father Damian Dorothy Black as Countess John Bown as Emile Gautier Terry Raven as Jean-Pierre