Guest Stars Helen Shingler as Mme. Maigret Neville Jason as Lapointe Harold Scott as Dr. Pardon Stratford Johns as Keller Terry Scully as Emile Paulus Sheila Burrell as Francoise Bourcicault Carl Bernard as Foucrier Betty Baskcomb as Mlle. Clement Endre Muller as Vamos Penny Morrell as Blanche Dubit Margo Cunningham as Madame Keller
