Réalisation: Paolo Cavara
L'inspecteur Tellini enquête sur Maria Zani, une belle femme qu'un homme a fait chanter avant de la tuer. D'autres meurtres suivent.
Giancarlo Giannini
Inspector Tellini
Claudine Auger
Laura
Barbara Bouchet
Maria Zani
Rossella Falk
Franca Valentino
Silvano Tranquilli
Paolo Zani
Annabella Incontrera
Mirta Ricci
Ezio Marano
Masseur
Barbara Bach
Jenny
Stefania Sandrelli
Anna Tellini
Giancarlo Prete
Mario
Anna Saia
Maria's friend
Nino Vingelli
Inspector Di Giacomo
Daniele Dublino
Entomologist
Giuseppe Fortis
Psychiatrist
Guerrino Crivello
Informer
Fulvio Mingozzi
Surgeon
Giorgio Dolfin
Policeman
Carla Mancini
Client at beauty parlor
Alfonso Giganti
Policeman in projection room
Eleonora Giorgi
Maid in beauty parlor
Giancarlo Giannini
Inspector Tellini
Claudine Auger
Laura
Barbara Bouchet
Maria Zani
Rossella Falk
Franca Valentino
Silvano Tranquilli
Paolo Zani
Annabella Incontrera
Mirta Ricci
Ezio Marano
Masseur
Barbara Bach
Jenny
Stefania Sandrelli
Anna Tellini
Giancarlo Prete
Mario
Anna Saia
Maria's friend
Nino Vingelli
Inspector Di Giacomo
Daniele Dublino
Entomologist
Giuseppe Fortis
Psychiatrist
Guerrino Crivello
Informer
Fulvio Mingozzi
Surgeon
Giorgio Dolfin
Policeman
Carla Mancini
Client at beauty parlor
Alfonso Giganti
Policeman in projection room
Eleonora Giorgi
Maid in beauty parlor
Giancarlo Giannini
Inspector Tellini
Claudine Auger
Laura
Barbara Bouchet
Maria Zani
Rossella Falk
Franca Valentino
Silvano Tranquilli
Paolo Zani
Annabella Incontrera
Mirta Ricci
Ezio Marano
Masseur
Barbara Bach
Jenny
Stefania Sandrelli
Anna Tellini
Giancarlo Prete
Mario
Anna Saia
Maria's friend
Nino Vingelli
Inspector Di Giacomo
Daniele Dublino
Entomologist
Giuseppe Fortis
Psychiatrist
Guerrino Crivello
Informer
Fulvio Mingozzi
Surgeon
Giorgio Dolfin
Policeman
Carla Mancini
Client at beauty parlor
Alfonso Giganti
Policeman in projection room
Eleonora Giorgi
Maid in beauty parlor