An obscure Italian magistrate suspects that a well-known industrialist commited murder, and decides to investigate him, and bring him to court, whatever it takes. But - will the magistrate have it in him to go against impossible odds, in the name of the Italian people he represents?
Ugo Tognazzi
as Mariano Bonifazi
Vittorio Gassman
as Lorenzo Santenocito
Ely Galleani
as Silvana Lazzorini
Yvonne Furneaux
as Lavinia Santenocito
Michele Cimarosa
as Maresciallo Casciatelli
Renato Baldini
as Ragionier Cerioni
Pietro Tordi
as Professor Rivaroli
Maria Teresa Albani
as Silvana's mother
Checco Durante
as Archivist Pironti
Simonetta Stefanelli
as 'Giugi' Santenocito
Edda Ferronao
as Cameriera di Santenocito
Enrico Ragusa
as Riziero Santenocito
