Richard Basehart

Doctor Stefano Luprandi

Eddie Constantine

Franco Cesari

Walter Chiari

Giuseppe Rasi

Antonella Lualdi

Giovanna, the nurse

Valentina Cortese

Luprandi's wife

Arnoldo Foà

The boss

Flora Lillo

Anna, Cesari's woman

Luigi Tosi

Police commissioner

Ferruccio Amendola

Journalist