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