Perfect Woman, The (1949)

British romantic comedy featuring Patricia Roc as Penelope, the mischievous niece of a scientist, Prof. Ernest Belman (Miles Malleson). The nutty professor has invented a robot woman and hires two men, Roger Cavendish (Nigel Patrick) and his valet Ramshead (Stanley Holloway), to take his creation out into the real world. What the unwitting aides don't know is that Penelope herself has swapped places with the robot.