Strongman Maciste must battle the one-eyed Cyclops monster that is ravaging the land of Sadok, while at the same time fending off the advances of the evil Queen Capys, who wants to do a little ravaging of her own.

Gordon Mitchell
as Maciste

Chelo Alonso
as Queen Capys

Vira Silenti
as Queen Penophae

Dante DiPaolo
as Ifitos

Paul Wynter
as Mumba

Aldo Bufi Landi
as Sirone, soldier loyal to Maciste

Giotto Tempestini
as Aronios, the shepherd

Massimo Righi
as Efros, who rescues the baby

Germano Longo
as King Agisandros

Aldo Pedinotti
as The Cyclops