There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?
Tom Drake
as Inspector Greville
Femi Benussi
as Simone Marot
Virgilio Gazzolo
as Commissioner Etienne
Ivo Garrani
as Leon
Ernesto Colli
as Janot
Valeria Ciangottini
as Colette Marot
Isarco Ravaioli
as Jules Didier
Giovanna Lenzi
as Rosalie
Andrea Fantasia
as Notaio
Alessandra Maravia
as Natalie
Arnaldo De Angelis
as Oscar Marot
Aurelio Marconi
as Usuraio
