Diretor/a
Don Chaffey
DIRETOR/A
Elenco (na ordem dos créditos)
Todd Armstrong
Jason
Nancy Kovack
Medea
Gary Raymond
Acastus
Laurence Naismith
Argos
Niall MacGinnis
Zeus
Michael Gwynn
Hermes
Douglas Wilmer
Pelias
Jack Gwillim
King Aeetes
Honor Blackman
Hera
John Cairney
Hylas
Patrick Troughton
Phineas
Andrew Faulds
Phalerus
Nigel Green
Hercules
Ennio Antonelli
Dmitrius(uncredited)
Harold Bradley
Guard in Palace(uncredited)
John Crawford
Polydeuces(uncredited)
Aldo Cristiani
Lynceus(uncredited)
Bill Gudgeon
Triton(uncredited)
Eva Haddon
Medea(uncredited)(voice)
Ferdinando Poggi
Castor(uncredited)
Doug Robinson
Eupaemus(uncredited)
Davina Taylor
Briseis(uncredited)
Tim Turner
Jason(uncredited)(voice)