Excruciatingly dull, cheaply made Boris Karloff vehicle from the 40's. Karloff as usual does a great job but whenever he's not on screen it's sleepy-time. I guess it's healthier than sleeping pills. I would only recommend this one to fans of very cheap-looking gorilla suit action. This may indeed contain one of the worst looking gorilla suits ever! First there's what is supposed to be a real ape running around on a kill-crazy spree and then Karloff kills the wild and crazy ape in a nifty fight scene and starts wearing his skin and going on his own killing adventures for some mad scientist reason. A very slow 60 minutes.