The Terror is a 1963 American horror film produced by Roger Corman, starring Boris Karloff and Jack Nicholson. A young officer in Napoleon’s army pursues a mysterious woman to the castle of an elderly Baron where he discovers that she is the pawn of an old witch bent on driving the Baron to suicide. The film is known for having a number of directors, including Roger Corman, Francis Ford Coppola, Monte Hellman, Jack Nicholson, and Jack Hill.