Barbara BouchetGreta Franklin
Farley GrangerRichard Stuart
Rosalba NeriEleanora Stuart
Dino MeleSandro
Umberto RahoGiovanni il maggiordomo
Patrizia ViottiSally Reece
Nino Segurinicommissario Antonelli
Petar MartinovitchRocco
Bruno Aliasospite festa
Silvio AmadioDirector & Screenplay & Story
Italo ZingarelliProducer
Roberto PalaggiExecutive Producer