Synopsis: Olympian gods, mythological monsters and heroic mortals populate this imaginative spectacle. Harry Hamlin is Perseus, mortal son of Zeus (Laurence Olivier) and champion of captive Andromeda (Judi Bowker). From that storyline, Harryhausen unleashes sea creature Kraken, snake haired Medusa, swamp denizen Calibos, flying horse Pegasus, two headed dog Dioskilos, giant scorpions and all manner of eye popping adventure. Let the clash begin!