Posse (1975) is a Western film that follows a tough marshal with political ambitions leads an elite posse to capture a notorious train robber and his gang. Currently, you can watch Posse on Amazon Video, Apple TV Store, Google Play Movies, YouTube. Streaming availability may vary by country and platform over time. It has a user rating of 6.0 out of 10 from 75 votes. Fans of western movies may also want to explore similar titles below.