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.
Enzo / Ruggero / Leo / Don Alfio / Professore / Anselmo

Marisol

Mario Brega

Sergio

Antioco

Fiorenza

Cristiano

Automobilista col cane

Barelliere

'Dottorino'
Uomo alla finestra
'Pirata'

Bigliettaio zoo
Passante che suggerisce di pulire l'olio (uncredited)

Venditrice noccioline (uncredited)

Automobilista aria condizionata (uncredited)

Automobilista esasperato (uncredited)

Automobilista al quale Fiorenza sta chiedendo il resto (uncredited)
Portantino (uncredited)

Receptionist ostello (uncredited)

Uomo che butta l'acqua saponata (uncredited)
Automobilista senza resto (uncredited)

Suora ospedale (uncredited)
Portantino (uncredited)
Amico di Martucci (uncredited)