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