Enrico Maria Salerno
— Prosecutor
Gastone Moschin
— Colonnesi, defense attorney
Riccardo Cucciolla
— Professor Salemi
Mario Adorf
— Amedeo Barrese
Ciccio Ingrassia
— Ferdinando Giacalone
Aldo Giuffrè
— Giuseppe Salemi
Michele Abruzzo
— Zaccaria
Ferruccio De Ceresa
— Senator
Turi Ferro
— Judge Nicola Altofascio
Mariangela Melato
— Rosaria Licata
Guido Leontini
— Vacirca
Elio Zamuto
— Verzi
Mico Cundari
Julien Guiomar
— Commissario Golino
Georges Wilson
— Crupi
Silvia Dionisio
— Giacalone's daughter
Liana Trouché
Consalvo Dell'Arti
Michele Gammino
Guido Celano
Alessandro Perrella
— Savoca
Marcello Di Martire
Franco Fantasia
Gianni Pulone
Franco Balducci
— Gaetano
Maria Grazia Buccella
Milla Johansson
— Blonde woman with Verzi (uncredited)