Interesting story...
THE MUTATIONS aka THE FREAKMASTER was directed as something of a labor of love by famed cinematographer Jack Cardiff (BLACK NARCISSUS, THE AFRICAN QUEEN, WAR AND PEACE) and is one of that odd subgenre from the 70s that featured real-life 'human oddities' in some major roles.
It's got Donald Pleasance, Julie Ege, Oscar-nominated little person actor Michael Dunn, the second worst Venus Flytrap monster in history (see THE REVENGE OF DR. X for the worst), Pop-Eye Perry in his only film role, a genuine alligator skinned lady from Mississippi, and Tom Baker in freak makeup stomping on a midget's birthday cake.
I think it's required viewing!