John Radigan is a fictional character portrayed by Greg Berman in the TV series Chicago P.D..
They appear in 1 episodes out of a total of 221 aired so far
Episodes1
You Never Know Who's Who
episode S3.E6 october 2015"You Never Know Who's Who" The discovery of a body leads to a cache of weapons, which then leads Intelligence on a strange investigation into a team of "operatives" that are targeting criminals within the city. Roman treats a sick young boy to a day at the 21st district.
