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

Piero Nuti as Santenocito's Lawyer

Franco Angrisano as Giudice Colombo (as Franco Angrisani)

Gianfilippo Carcano as Silvana's Father

Claudio Trionfi as TV journalist

Francesco D'Adda as Lipparini - the registrar

Vanni Castellani as Sirio Roscioni - Silvana's fiancé

Enrico Ameri as Self (voice)

Marcella Di Falco as Secretary of Santenocito

Paolo Paoloni as Psychiatrist

Franca Scagnetti as Porter

Rossella Bergamonti as Flora (uncredited)

Bruno Bertocci as Man at the awards ceremony during the newsreel (uncredited)

Veriano Ginesi as Handyman in Law Courts (uncredited)

Franco Magno as TV Man (uncredited)

Giuseppe Marrocco as Man at Prize-Giving Ceremony (uncredited)

Alberto Postorino as Carabiniere

Franca Ridolfi as Doris Darrill (uncredited)

Mario Silvestri as Man at Prize-Giving Ceremony (uncredited)

Antonio Spaccatini as Del Tomaso's Lawyer (uncredited)

Giò Stajano as Floriano Roncherini (uncredited)