"Frank was removed from an investigation into Mac Brown, the owner of a pharmaceutical company, who was suspected of drug trafficking and illegal experiments on teenagers. When Brown is murdered, Frank is called to investigate..."
Michael Reardon
as Frank Berin
Barbara Bouchet
as Monica Brown
Carmelo Bene
as Billy Desco
Zuzana Martinková
as Fanny, la cieca
David Groh
as Don Carbo
Eduardo Ciannelli
as Parker
Vittorio Duse
as Mac Brown
Isa Miranda
as Tenutaria bordello
Ugo Fangareggi
as Hippy
Helen Mirren
as
Ileana Riganò
as Milli
Giuseppe Addobbati
Benny Stevens
Margaret Lee
John Frederick
Nello Pazzafini
as Un Poliziotto
Tony Brandt
Emilio Delle Piane
Iver Gilborn
as Chief of Police
Frank Gonzales
John Mazzadra
Ben Sanders
Richard Stenta
Wladimiro Tuicovich
as Self
Victoria Zinny
Jessica Dublin
as Hotel Guest (uncredited)
Andrea Esterhazy
as NBC Announcer (uncredited)
Piero Zuffi
Director
Screenplay
Ennio Flaiano
Roberto Loyola
Producer
Piero Piccioni
Original Music Composer
Pasqualino De Santis
Director of Photography
Franco Arcalli
Editor
Production Design
Francesco Cuppini
Set Decoration
Mario Pumo
Costume Design
Angelo Iacono
Production Manager