The Greek legend of Perseus and Andromeda is retold with special effects by the master of model animation, Ray Harryhausen. Both thrilling and magical, highlights include Perseus’ battle with the snake-haired Medusa and the waking of the Kraken – the last of the Titans. With an uncustomarily sharp script for this genre (by Beverley Cross), and a top supporting cast (including Claire Bloom, Ursula Andress and Sian Phillips), Mount Olympus is presented as a heaven of arch one-liners and bitchy put-downs.