Chicago P.D. Season 12 Episode 11
In the Trenches (III)
With the suspects still at large and conditions worsening underground, first responders race to reach the trapped victims, while the investigation into the assailants comes into focus. The crossover starts on Chicago Fire S13E11 In the Trenches (I) and Chicago Med S10E11 In the Trenches (II).
Guest Stars
Taylor Kinney
Kelly Severide
David Eigenberg
Christopher Herrmann
Christian Stolte
Randall 'Mouch' McHolland
Oliver Platt
Dr. Daniel Charles
S. Epatha Merkerson
Sharon Goodwin