Harry Hamlin
Perseus
Acting
Judi Bowker
Andromeda
Acting
Burgess Meredith
Ammon
Acting
Maggie Smith
Thetis
Acting
Ursula Andress
Aphrodite
Acting
Claire Bloom
Hera
Acting
Siân Phillips
Cassiopeia
Acting
Flora Robson
A Stygian Witch
Acting
Laurence Olivier
Zeus
Acting
Tim Pigott-Smith
Thallo
Acting
Neil McCarthy
Calibos
Acting
Susan Fleetwood
Athena
Acting
Anna Manahan
A Stygian Witch
Acting
Freda Jackson
A Stygian Witch
Acting
Jack Gwillim
Poseidon
Acting
Pat Roach
Hephaestus
Acting
Donald Houston
Acrisius
Acting
Vida Taylor
Danae
Acting
Harry Jones
Huntsman
Acting
Ferdinando Poggi
Guard Killed by Scorpion (uncredited)
Acting
Barrie Holland
Peasant (uncredited)
Acting