Melvin Purvis G-Man (1975) is a TV Movie, Crime, Drama film that follows agent Melvin Purvis is placed in charge of running down notorious killer Machine Gun Kelly, and sets out to do just that. Currently, you can watch Melvin Purvis G-Man on ScreenPix Apple TV Channel, ScreenPix Amazon Channel . Streaming availability may vary by country and platform over time. It has a user rating of 6.0 out of 10 from 7 votes. Fans of tv movie movies may also want to explore similar titles below.