The Most Popular 'Chicago P.D.' Stars, Ranked by Following

Chicago P.D. is one of the biggest shows on TV today.

The “One Chicago” NBC series centers around the patrol officers and the Intelligence Unit of the 21st District of the Chicago Police Department as they pursue criminals throughout the city.

Over the years, the show’s grown to be a hit, and several stars of the show have garnered a huge following on social media.

We’ve put together the main cast of Chicago P.D., and ranked them from lowest to highest following.

Click through to see who the most popular stars on the cast of Chicago P.D. are, ranked..