L'assassino si chiama Pompeo

Ernesto Calindri

Police Commissioner De Santis

Ave Ninchi

Doorkeeper Adelina

Gisella Sofio

Police Commissioner De Santis' Wife

Lucio Flauto

Brigadiere Scarsella

Riccardo Billi

The Talkative Doorkeeper

Mario De Simone

Fabrizio

Elio Jotta

Camillo Berardi

Nuto Navarrini

Commendator Mereghetti

Pippo Starnazza

The Beggar

Katia Borchers

Anna Brusatti

Licia Lombardi

Pompeo Sisini's Secretary

Enrico Dezan

The Attorney General

Enzo Furlai

Ribetti

Augusto Bonardi

Journalist Labianca

Danilo Casetta

Felice Pilla

Donatello Falchi

The Petrol Pump Attendant

Dante Feldman

The Doorkeeper at Sisini's

Adriana Innocenti

Commendator Mereghetti's Wife