Hercules Unchained (1959)

Hercules Unchained
Fantasy, Action
En route to Thebes for an important diplomatic mission, Hercules drinks from a magic spring and loses his memory. He spends most of the movie in the pleasure gardens of Queen Omphale of Lydia. While young Ulysses tries to help him regain his memory, political tensions escalate in Thebes, and Hercules' new wife Iole finds herself in mortal danger.
Starring
Steve Reeves, Sylva Koscina, Sylvia Lopez, Gabriele Antonini, Primo Carnera, Patrizia Della Rovere, Sergio Fantoni, Fulvia Franco, Carlo D'Angelo, Marisa Valenti
Directed By
Pietro Francisci