Find out why these 'One Chicago' stars left, in their own words.

After seven seasons on Chicago P.D., Upton left to begin a new life, as Spiridakos wanted to leave. Her exit left ...

Cast of Chicago Fire, Chicago PD and Chicago Med revealed for next season NBC has confirmed that all lead actors from Chicago Fire, Chicago P.D., and Chicago Med will return for the upcoming seasons.

Changes in Chicago Fire, PD and Med’s cast for new seasons revealed NBC has confirmed that all lead actors from Chicago Fire, Chicago P.D., and Chicago Med will return for the upcoming seasons.