Steve Reeves

Ercole (Hercules)

Sylva Koscina

Iole, bride of Ercole

Sylvia Lopez

Queen Onfale, of Lidia

Gabriele Antonini

Ulisse, son of Laertes

Primo Carnera

Anteo, the giant

Patrizia Della Rovere

Penelope

Sergio Fantoni

Eteocle

Fulvia Franco

Anticlea

Carlo D'Angelo

Creonte, High Priest of Thebes

Mimmo Palmara

Polinice

Daniele Vargas

Anfiarao

Aldo Fiorelli

Argos - the Shipbuilder

Cesare Fantoni

Oedipus - King of Thebes

Ugo Sasso

Polinice's Officer

Angelo Zanolli

Admeo

Sergio Ciani

Megreo - Officer Eating Apple

Aldo Pini

Tifi - Pilot of the Argos

Nando Cicero

Lastene

Willi Colombini

Giuliano Gemma

Melanippo (uncredited)

Fabrizio Mioni

Jason (uncredited)