Three characters' misadventures in semi-deserted, summertime Rome: a dim-witted mama's boy falls for a tourist; a would-be womanizer struggles to find company for his sex tourism trip to Kraków; a hippie is drawn into his father's schemes to bring him back into polite society.

Carlo Verdoneas Enzo / Ruggero / Leo / Don Alfio / Professore / Anselmo
Verónica Mirielas Marisol
Mario Bregaas Mario Brega
Renato Scarpaas Sergio
Fausto Di Bellaas Antioco
Isabella De Bernardias Fiorenza
Sandro Ghianias Cristiano
Maria Mizaras Automobilista col cane
Luciano Bonannias Barelliere
Ennio Guarnieri