Furio Bertuccia, a corruptible lawyer who defends lost causes, is hired by the glamorous model Gloria Bianchi to defend her from the alleged murder of her lover.

Vittorio Gassman
as Furio Bertuccia

Pamela Tiffin
as Gloria Bianchi

Adolfo Celi
as Marco Tarocchi Roda

Irina Demick
as Signora Tarocchi Roda

Corrado Olmi
as Commissario Monteforte

Tom Felleghy
as Fabris

Carlo Delle Piane
as Ninetto

Carlo Pisacane
as Barbone / Homeless

Laura Antonelli
as Elena (uncredited)

Jacques Stany
as Professor Crescenzi