Upon his return from battle in the previous film, the great warrior Hercules learns that his lover, Daianara, has lost her senses. Acording of the oracle Medea, Dianara's only hope is the Stone of Forgetfulness which lies deep in the realm of Hades. Hercules, with two companions, Theseus and Telemachus, embarks on a dangerous quest for the stone, while he is unaware that Dianara's guardian, King Lico, is the one responsible for her condition and plots to have the girl for himself as his bride upon her revival.

Reg Park
as Hercules (Ercole)

Christopher Lee
as King Lico (Licos)

Leonora Ruffo
as Princess Deianira

George Ardisson
as Thesus (Teseo)

Marisa Belli
as Aretusa

Ida Galli
as Persephone

Franco Giacobini
as Telemachus (Telemaco)

Mino Doro
as Keros

Rosalba Neri
as Helena

Ely Drago
as Jocasta
CinemaSerf
Christopher Lee looks like he'd raided Laurence Olivier's dressing room as he donned the bowl-cut wig and took on the role of the manipulative "Lico". He's got it into his head that he can marry the princess "Deianira" (Leonora Ruffo) and usurp the throne. Thing is, though, she is the love of the le...