Mark NilssonActingNo biography available.Known For10.0Disgruntled20084.6Cup of My Blood2005Fan ClubNo Nerds have favorited Mark Nilsson yet — be the first.All fan clubsFrom NerdspinFilmographyActor32012Chicago FireTVSergeant Grayson • 1 episodes★ 8.42008DisgruntledFilmBlake W. Logan★ 10.02005Cup of My BloodFilmChad★ 4.6
