Konga (1961)

Jack Watson, Steven Berkoff, Michael Gough

Dr.Decker comes back from Africa after a year, presumed dead. During that year, he came across a way of growing plants and animals to an enormous size. He brings back a baby chimpanzee to test out his theory. As he has many enemies at home, he decides to use his chimp, 'Konga' to 'get rid of them'.