The explorer Smith leaves with Laura, a beautiful but naive girl, in search of Professor Berti, who mysteriously disappeared in Africa in the midst of one of his researches.
Totò
Vera Carmi
Enrico Glori
Nando Bruno
Egilda Cecchini
Enzo Biliotti
Primo Carnera
Claudio Ermelli
Lia Orlandini
Giovanni Grasso
Umberto Spadaro
Arturo Bragaglia
Guido Morisi
Federico Collino