Criminals Within (1941) is a War, Crime film that follows a young soldier uncovers a ring of spies when he investigates his brother's mysterious murder. Currently, you can watch Criminals Within on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video. Streaming availability may vary by country and platform over time. It has a user rating of 6.0 out of 10 from 3 votes. Fans of war movies may also want to explore similar titles below.