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
Emma Baron
Mother of Giuseppe
Gino Bramieri
SAI Employee
Roberto Bruni
Stefano colleague
Gil Delamare
Marini
Bianca Doria
Widow
Franca Gandolfi
Clara
Nino Marchesini
Chairman of the committee
Nino Marchetti
Lawyer Cesare Valloni
Nico Pepe
Lawyer who meets Luprandi
Ernesto Sabbatini
Mazzanti