Johnny Dorelli as Giovanni degli Uberti / Guiscardo

Gloria Guida as Marta Sartori

Alessandro Haber as avvocato Vittorio Cavalletti Spada

Lia Tanzi as Nicole

Adriana Russo as cameriera

Lory Del Santo as Lilli, 'La Squillo'

Francesca Romana Coluzzi as benzinaia

Geoffrey Copleston as Dr. Eric Stainer

Roberto Della Casa as Antonio

Giorgio Gobbi as il postino

Corrado Olmi as dottore

Maria Tedeschi as Amelia Bordon (uncredited)

Giulio Massimini as cameriere (uncredited)

Carlo Cartier as elettricista (uncredited)

Pietro Zardini as benzinaio (uncredited)

Lionello Pio Di Savoia as Giovanni (uncredited)

Eolo Capritti as commendatore (uncredited)

Bruno Alias as ospite (uncredited)

Erminio Bianchi Fasani as ospite (uncredited)

Angelo Boscariol as lavoratore (uncredited)

Rossana Canghiari as ospite (uncredited)

Enrico Cesaretti as ospite (uncredited)

Raffaele Di Mario as ospite (uncredited)

Tom Felleghy as donatore (uncredited)

Vittorio Ripamonti as ospite (uncredited)