Gian Maria Volonté as Bizanti

Fabio Garriba as Roveda

Carla Tatò as Sig.ra Bizanti

Jacques Herlin as Lauri

John Steiner as Ing. Montelli

Michel Bardinet as Vanzina

Jean Rougeul as Direttore de 'Il Giornale'

Corrado Solari as Mario Boni

Laura Betti as Rita Zigai

Enrico DiMarco as Commissario

Silvia Kramar as Maria Grazia Martini

Massimo Patrone as Bidello

Gianni Solaro as Italo Martini

Luigi Antonio Guerra as Speaker conferenza stampa in difesa di Boni

Marco Bellocchio as Compagno che incita alla calma (uncredited)

Ignazio La Russa as Se stesso - Oratore (uncredited)

Gisella Burinato as Segretaria di redazione de 'Il Giornale' (uncredited)

Gérard Boucaron as Questore (uncredited)