Hercules (Ercole)
Reg Park
King Lico (Licos)
Christopher Lee
Jocasta
Ely Drago
Medea
Gaia Germani
Leader of the Cutthroats
Raf Baldassarre
Sunis
Aldo Pedinotti
Claudio Marzulli
Princess Deianira
Leonora Ruffo
Thesus (Teseo)
George Ardisson
Aretusa
Marisa Belli
Persephone
Ida Galli
Telemachus (Telemaco)
Franco Giacobini
Keros
Mino Doro
(credit only)
Rosalba Neri
Helena (uncredited)
Monica Neri
Original Music Composer
Armando Trovajoli
Screenplay
Mario Bava
Director
Director of Photography
Story
Duccio Tessari
Camera Operator
Joe D'Amato
Producer
Achille Piazzi
Sandro Continenza
Franco Prosperi
First Assistant Director
Script Supervisor
Bona Magrini
Assistant Production Design
Tony Sarzi-Braga
Giuseppe Ranieri
Ubaldo Terzano
Assistant Camera
Giuseppe Berta
Luciano Brebbia
Still Photographer
Enrico Santelli
Sound
Luigi Puri
Boom Operator
Eugenio Fiori
Sound Recordist
Adolfo Fabrizi
Assistant Costume Designer
Silvano Giusti
Assistant Makeup Artist
Renzo Francioni
Unit Manager
Giorgio Baldi
Production Secretary
Dino Di Salvo
Giovanna Pellegrino
Alfredo Petri
Administration
Ernesto Poli
Seamstress
Maria Luisa Onorati
Valeria Sponsali
Assistant Editor
Lina Caterini
Foley Artist
Tonino Cacciottolo
Sound Mixer
Fausto Ancillai
Nino Renda
Editor
Mario Serandrei
Production Design
Franco Lolli
Costume Design
Mario Giorsi
Makeup Artist
Franco Palombi
Hairstylist
Nicla Palombi
Production Manager
Danilo Marciani