I maniaci

Walter Chiari

The Sicilian Hitchhiker (segment "L'autostop") / Car Driver (segment "Il sorpasso") / Pasquale Taddei (segment "La protesta") / Client of Night-clubs (segment "Lo strip")

Enrico Maria Salerno

Castelli, the Successful Novelist (segment "la parolaccia")

Barbara Steele

Barbara (segment "l'hobby") / Brugnoli's Wife (segment "la cambiale")

Raimondo Vianello

Mr. Brugnoli (segment "la cambiale") / Giulio Errani, il commendatore mad about football (segment "Lo sport") / Paolo (segment "I consigli") / His Excellency Micozzi (segment "Le interviste")

Gaia Germani

Carla (segment "l'hobby")

Umberto D'Orsi

Ilario Baietti (segment "La parolaccia") / Friar Egisto (segment "Il pezzo unico") / The Milanese Businessman (segment "L'autostop")

Sandra Mondaini

Paolo's Wife (segment "i consigli")

Franco Fabrizi

L'impiegato insolente

Aroldo Tieri

Mr. Bonfanti (segment "La cambiale") / Mario (segment "La protesta")

Ingrid Schoeller

Mrs. Bonfanti (segment "La cambiale")

Lisa Gastoni

Gulio's wife (segment "lo sport")

Margaret Lee

Rosalie (segment "Il week-end")

Franco Franchi

Thief #1 (segment 'Il week-end)

Ciccio Ingrassia

Thief #2 (segment 'Il week-end)