- Luigi Masironi - Jason at 5
- Michelangelo Masironi - Jason at 13
- Gianni Brandizi - Argonaut
- Franco Jacobbi - Argonaut
- Annamaria Chio - Wet Nurse
- Piera Degli Esposti - Woman
- 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)
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Todd Edwards, Cory Edwards, Tony Leech
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Todd Edwards, Cory Edwards, Tony Leech
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Preston Stutzman, Maurice Kanbar, David Lovegren, Sue Bea Montgomery
Capítulo disponible en las siguientes plataformas: