Mark Nilsson is an actor whose career has spanned over 20 years. He has appeared on Chicago Fire and Chicago P.D.. He portrayed Sergeant Grayson on Chicago Fire. His other TV/film acting credits include 190 North, Boricua, Runaway Divas, Disgruntled, The Beast, The Lower Circle, Underemployed, Crisis, and Built to Last@.
Credits[]
Chicago Fire[]
- Birds of Prey (13x06)
Chicago P.D.[]
- Assignment of the Year (2x08) as River Forest Cop #2