I, Madman (1989) is a Horror, Thriller film that follows a bookshop clerk starts seeing the disfigured killer from her favorite 1950s pulp novels come to life and start killing people around her. Currently, you can watch I, Madman on fuboTV, MGM+ Amazon Channel, MGM Plus Roku Premium Channel, YouTube TV. Streaming availability may vary by country and platform over time. It has a user rating of 5.9 out of 10 from 113 votes. Fans of horror movies may also want to explore similar titles below.