Semper Fi (2019) is a Action, Drama film that follows cal is a dedicated cop who also serves as a sergeant in the Marine Corps Reserve. When his reckless half brother lands in jail for accidentally killing a man, Cal and his buddies hatch a plan to break him out of prison -- no matter what the cost. Currently, you can watch Semper Fi on Amazon Prime Video, Amazon Prime Video with Ads, Amazon Video, Apple TV Store. Streaming availability may vary by country and platform over time. It has a user rating of 6.0 out of 10 from 146 votes. Fans of action movies may also want to explore similar titles below.