Richard Basehart

as Doctor Stefano Luprandi

Eddie Constantine

as Franco Cesari

Walter Chiari

as Giuseppe Rasi

Antonella Lualdi

as Giovanna, the nurse

Valentina Cortese

as Luprandi's wife

Arnoldo Foà

as The boss

Flora Lillo

as Anna, Cesari's woman

Luigi Tosi

as Police commissioner

Ferruccio Amendola

as Journalist

Emma Baron

as Mother of Giuseppe

Gino Bramieri

as SAI Employee

Roberto Bruni

as Stefano colleague

Aldo De Franchi

Gil Delamare

as Marini

Bianca Doria

as Widow

Arturo Gallea

Franca Gandolfi

as Clara

Nino Marchesini

as Chairman of the committee

Nino Marchetti

as Lawyer Cesare Valloni

Dino Maronetto

Nico Pepe

as Lawyer who meets Luprandi

Arrigo Peri

Ernesto Sabbatini

as Mazzanti

Wando Tres