Todd Armstrong

Jason

Nancy Kovack

Medea

Gary Raymond

Acastus

Michael Gwynne

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

John Crawford

Polydeuces (uncredited)

Ferdinando Poggi

Castor of Sparta (uncredited)

Ennio Antonelli

Dmitrius, Drummer on Argo (uncredited)

Harold Bradley

Guard in Palace (uncredited)

Aldo Cristiani

Lynceus (uncredited)

Eva Haddon

Medea (voice) (uncredited)

Doug Robinson

Eupaemus (uncredited)

Davina Taylor

Briseis (uncredited)

Tim Turner

Jason (voice) (uncredited)

Don Chaffey

Director

Dennis Bertera

Asistente de Dirección

Phyllis Crocker

Continuity

Jan Read

Guión, Guión Adaptado

Beverley Cross

Guión, Guión Adaptado

Wilkie Cooper

Director de Fotografía

Harry Gillam

Camera Operator

Bernard Herrmann

Compositor de la Música Original, Conductor

Alfred Cox

Sound Editor

Charles H. Schneer

Productor

Coproducción Reino Unido-Estados Unidos

Compañía de Produccion

Ray Harryhausen

Productor Asociado

Paul Maslansky

Unit Manager

Leonardo Scavino

Unit Manager

Jimmy Komisarjevsky

Unit Manager

John Dark

Production Executive

Maurice Rootes

Editor

Geoffrey Drake

Diseño de Producción

Herbert Smith

Dirección Artística

Jack Maxsted

Dirección Artística

Tony Sarzi-Braga

Dirección Artística

James Wines

Title Designer

Ray Harryhausen

Visual Effects

Eddie Powell

Dobles

Cyril Collick

Sound Recordist

Red Law

Sound Recordist

Apollonios Rhodios

Poem