Reg Park

Hercules (Ercole)

Christopher Lee

King Lico (Licos)

Leonora Ruffo

Princess Deianira

George Ardisson

Thesus (Teseo)

Marisa Belli

Aretusa

Ida Galli

Persephone

Franco Giacobini

Telemachus (Telemaco)

Mino Doro

Keros

Rosalba Neri

(credit only)

Monica Neri

Helena (uncredited)

Ely Drago

Jocasta

Gaia Germani

Medea

Raf Baldassarre

Leader of the Cutthroats

Aldo Pedinotti

Sunis

Claudio Marzulli

Mario Bava