Laurent Terzieff

Chirone

Giuseppe Gentile

Giasone

Margareth Clémenti

Glauce

Paul Jabara

Pelias

Gerard Weiss

Second Centaur

Sergio Tramonti

Apsirto, Medea's Brother

Luigi Barbini

Argonaut

Gian Paolo Durgar

Luigi Masironi

Jason at 5

Michelangelo Masironi

Jason at 13

Gianni Brandizi

Argonaut

Franco Jacobbi

Argonaut

Annamaria Chio

Wet Nurse

Piera Degli Esposti

Woman

Mirella Pamphili

Graziella Chiarcossi

Glauce's Maid

Rossana Canghiari

Servant of Glauce (uncredited)

Maria Cumani Quasimodo

(uncredited)

Vladimer Julukhadze

(uncredited)

Maria Smith

Maid (uncredited)

Giorgio Trombetti

(uncredited)

Rita Savagnone

Voice Dubbing: Maria Callas / Medea (voice) (uncredited)

Pino Colizzi

Voice Dubbing: Giuseppe Gentile / Jason (voice) (uncredited)

Enrico Maria Salerno

Voice Dubbing: Laurent Terzieff / Centaur (voice) (uncredited)