 | Steve Reeves
Hercules |
 | Sylva Koscina
Iole, bride of Ercole |
 | Sylvia Lopez
Queen Onfale, of Lidia |
| Patrizia Della Rovere
Penelope |
 | Primo Carnera
Anteo, the giant |
 | Carlo D'Angelo
Creonte, High Priest of Thebes |
| Gabriele Antonini
Ulisses, son of Laertes |
 | Cesare Fantoni
Edipus, King of Thebes |
 | Mimmo Palmara
Polinices |
| Andrea Fantasia
Laertes, King of Ithaca |
| Aldo Fiorelli
Argos, the Shipbuilder |
 | Gino Mattera
Orpheo |
 | Aldo Pini
Tifi, Pilot of the Argos |
| Nino Marchetti
Fossore |
 | Daniele Vargas
Anfiarao |
 | Sergio Fantoni
Eteocles |
| Elda Tattoli
Altmea, Mother of Ulisses' Girlfriend |
 | Ugo Sasso
Polinice's Officer |
| Fulvio Carrara
Pollux |
| Willi Colombini
Castor, Laertes' Assistant |
| Fulvia Franco
Anticlea, mother of Ulisses |
| Angelo Zanolli
Admeo |
| Walter Grant
Aesculapio |
| Marisa Valenti
Ulisses' Bride |
| Gianni Loti
Sandone, Captain of the Lidian Guard |
| Nando Cicero
Lastene |
| Colleen Bennet
Ballerina at Omphale's Palace |
 | Sergio Ciani |
 | Fabrizio Mioni
Jason |