It was one of the most under-the-radar Chicago P.D. cameos in history — and one that made Patrick John Flueger very happy.

Dr. Dean Archer (Steven Weber) was pushed to the absolute brink on the latest episode of Chicago Med. He was tasked with so much that the episode, "The Book of Archer," was even named after him. The ...

Dean Archer's ex-wife comes back into his life on "Chicago Med" -- but not in a way he expected. Why has Leanne Archer ...