Americans investigating the results of nuclear radiation discover a man-eating monster on a remote island.
Kent Taylor
as Dr. Paul Henderson
Beverly Powers
as Carla Henderson
John Ashley
as Jim Farrell
Mario Montenegro
as Esteban Powers
Eva Darren
as Alma
Oscar Keesee
as Captain Macbee
Bruno Punzalan
as Goro
Andres Centenera
as Arcadio