Professor Helmut

Gordon Mitchell

Acting

Dr. Silvia Pieri

Geneviève Audry

Acting

Dr. Gianni Dani

Tino Boriani

Acting

Commissioner Rinaldi

Ettore Ribotta

Acting

Agostino De Simone

Acting

Renzo Borelli

Acting

Prostitute

Mirella Rossi

Acting

Ada Pometti

Acting

Franco Rossi

Acting