 
                                                                81 minutos
Vicky Barton and her brother Johnny travel from Naples to visit the 1889 Paris Exhibition. They both sleep in seperate rooms in their hotel. When the she gets up in the morning she finds her brother and his room have disappeared and no one will even acknowledge that he was ever there. Now Vicky must find out what exactly happened to her brother.
 
                                                        Jean Simmons
Vicky Barton
 
                                                        Dirk Bogarde
George Hathaway
 
                                                        David Tomlinson
Johnny Barton
 
                                                        Marcel Poncin
Narcisse
 
                                                        Cathleen Nesbitt
Madame Hervé
 
                                                        Honor Blackman
Rhoda O'Donovan
 
                                                        Zena Marshall
Nina
 
                                                        André Morell
Doctor Hart
 
                                                        Betty Warren
Mrs. O'Donovan
 
                                                        Eugene Deckers
Day Porter
 
                                                        Felix Aylmer
British Consul
 
                                                        Austin Trevor
Police Commissaire
 
                                                        Natasha Sokolova
Charlotte
 
                                                        Nelly Arno
Madame Verni
 
                                                        Michael Ward
Pilkington