Basta che non si sappia in giro!..

Johnny Dorelli as Antonio Bormioli Vittorio Mezzogiorno as Lupo Marzio Honorato as il carcerato mediatore Grazia Di Marzà as la proprietaria della copisteria Nando Marineo as il maresciallo delle guardie carcerarie Isa Danieli as Ersilia, moglie di Enzo Lucarelli Nino Manfredi as Enzo Lucarelli / Paolo Gallizzi Monica Vitti as Amanda / Lia Lino Banfi as Il Direttore del carcere Monica Fiorentini as una dattilografa

Nino Baragli Editor Pipolo Screenplay, Story Nanni Loy Director Age Screenplay, Story Ruggero Mastroianni Editor Lucia Mirisola Costume Design, Production Design Armando Trovajoli Original Music Composer Luigi Magni Director, Screenplay, Story Franco Fraticelli Editor Luigi Comencini Director Castellano Screenplay, Story Scarpelli Screenplay, Story