Thundercrack!(1975)

Directed by

Curt McDowell

Written by

Mark Ellinger, George Kuchar, Curt McDowell

Starring

Marion Eaton, George Kuchar, Melinda McDowell

With a killer gorilla on the loose, a group of strangers find themselves stranded at a remote mansion of a grieving madwoman one dark and stormy night. They indulge in swapping bizarre personal backstories - and bodily fluids.