When evil millionaire Donovan dies on his operating table, scientist Dr. Patrick Cory (Lew Ayres) seizes the opportunity and removes Donovan's brain, which still shows signs of life. He manages to keep the brain alive in a tank in his laboratory, where it grows in size in a short time as well as exhibiting telepathic abilities. Soon Donovan's brain becomes powerful enough to force his will on Cory and make him do his bidding.
Entertaining '50s sci-fi with few bells & whistles but an enjoyable cast and decent ideas. Lew Ayres is good. I like to imagine this is what happened to Dr. Kildare: he left medicine to become a research scientist and things went horribly wrong. Nancy Davis (Reagan) does a fine job, though her obedient housewife role is likely to draw criticisms from the huff & puff crowd. Gene Evans is great as Ayres' surgeon buddy with a drinking problem who gives Ayres the inevitable "you're playing God" speech. Steve Brodie is fun as a nosy reporter who gets what's coming to him. Based on a novel by screenwriter Curt Siodmak (The Wolfman, I Walked with a Zombie, Earth vs. the Flying Saucers, etc.). Siodmak doesn't write the screenplay here. The movie was adapted before as The Lady and the Monster and Siodmak didn't write that either. Not sure why he didn't try to write his own movie version of the novel. This is a good sci-fi flick, though the middle is little more than Ayres going from place to place barking orders at people and handing out money. The beginning and ending are best. Not a lot of action, which won't sit well with everybody, but I was never bored.