The Human Factor (1975) is a Action, Thriller film that follows after his family is brutally murdered for an unknown reason, a computer engineer sets out to find those responsible. Currently, you can watch The Human Factor on Shout! Factory Amazon Channel, Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 5.8 out of 10 from 22 votes. Fans of action movies may also want to explore similar titles below.