A private detective and a girl obsessed with thriller novels investigate the murder of a rich entrepreneur.
as Andreanovic / Zanzara
as Rina
as Carmen
as commissario Benni
as giornalista
as Tullio Vallera
as cameriera all'hotel
as Pippo
as mister Brown
as Cesare Rovelli
as proprietario Hotel Santiago
as guardiano del garage
as fotografo
as Roberto Astorri
as signora coi cagnolini
as Dory Martin
as Self