Overview

The marquis Galeazzo di Torre Alta is murdered by a mysterious killer who calls himself Diabolicus. His heirs are his three brothers and a sister, but all of them, with the exception of Monsignor Antonino di Torre Alta, are killed by Diabolicus. The police are unable to solve the case, but when Antonino gives his inheritance to Pasquale Bonocore, illegitimate son of his father and Pasquale is in prison and therefore can't be the killer, all the clues are in the hand of the police.

Top Cast

Totò

Galeazzo / Carlo / Scipione / Antonio / Laudomia / Pasquale

Raimondo Vianello

Barone Lallo

Nadia Sanders

Donna Fiore

Luigi Pavese

Commissario di polizia

Mario Castellani

Ispettore Scalarini

Peppino De Martino

Notaio Cocozza

Giulio Marchetti

Detective Privato

Franco Giacobini

Dottor Santoro

Pietro De Vico

Il paziente

Mimmo Poli

Il postino

Béatrice Altariba

Diana