Over the course of its five seasons, Chicago P.D. has seen its fair share of guest stars come and go — many of them crossing over from Chicago Fire and Chicago Med.
In Season 4 of Chicago P.D., he played a famous local baseballer who happened to be an old friend of Olinksy (Elias Koteas).
The star of such shows as Teen Wolf, The Vampire Diaries and Pretty Little Liars, Lawson played the girlfriend of a drug trafficker during P.D.’s second season.
Chicago P.D. returns Wednesday, Feb. 28 at 10/9c on NBC.