Florinda Bolkan
Alice Campos / Alice Cespi
Peter McEnery
Henry
Nicoletta Elmi
Paola Bersel / Paula Burton
Klaus Kinski
Professor Blackmann
Lila Kedrova
Mrs. Heim
Caterina Boratto
Boutique Owner
John Karlsen
Alfredo Laurenti / Alfred Lowenthal (as John Carlsen)
Ida Galli
Mary
Miriam Acevedo
Alice's Supervisor (as Myriam Acevedo)
Rosita Torosh
Marie Leblanche (as Rosita Toros)
Luigi Antonio Guerra
(as Luigi Guerra)
Esmeralda Ruspoli
Feridun Çölgeçen
Hotel Concierge (uncredited)
Luciano Zanussi
Member of the International Congress (uncredited)
Franco Magno
Member of the International Congress (uncredited)
Bruno Degni
Member of the International Congress (uncredited)
Lidia Zanussi
Member of the International Congress (uncredited)
