The Face Behind the Mask (1941)

In this low-budget thriller, Peter Lorre plays Janos Szabo, an immigrant from Hungary who is a skilled craftsman. After he's caught in a fire, his face is horribly scarred; his terrifying appearance makes it impossible for him to get a job. With nowhere else to turn, Janos begins working for the criminal underworld. Janos begins having second thoughts about his life of crime when he falls in love.