12. Steven Seagal

Steven Seagal has quite a few credits to his name. Before embarking on an acting career, Seagal was a well-respected martial artist and instructor in Japan. After moving back to the US, he continued to keep up as a martial artist but also dabbled in acting, making appearances in several major films.
Seagal has always given off the air of a guy you would not want to mess with, so it makes sense that he’d turn to law enforcement at some point. At one point, he served in the ceremonial title as a reserve deputy sheriff for a police department in Louisiana.