Gianni (Boldi) is an ad agent from Milan vacationing in the mountains. Inside a cave he stumbles upon a cavewoman (Grimaldi) frozen intact. Of course she retained all of her young beauty and immediately Gianni is attracted to her, but after he begins thinking she is best left behind she follows him around creating havoc in his normal life. Gianni believes he can transform her into a beautiful modern day woman.
as Gianni Bertani
as Huc, la cavernicola
as Pucci, la fidanzata di Gianni
as il paleontologo
as Piero, collega di Gianni
as assistente del professore
as Dott. Paolini, lo psichiatra
as moglie di Piero, collega di Gianni
as titolare della pellicceria
as commissario di polizia
as infermiera bionda
as vicino di casa di Gianni
as vigile urbano
as sé stesso