Acting · Cleveland, Ohio, USA · Born January 21, 1985
Nicholas Alan Gehlfuss is an American actor, known for his starring role as Dr. Will Halstead in NBC's medical drama Chicago Med. He appeared as Robbie Pratt in the fourth season of Showtime's comedy-drama Shameless.
TVCIA
2026
as Bill Goodman
MovieEquity
2016
as Gabe
TVChicago Med
2015
as Dr. Will Halstead
TVThe Mystery of Matter: Search for the Elements
2015
as Glenn Seaborg
MovieLove & Mercy
2015
as Bruce Johnston
TVConstantine
2014
as Thomas Galen
TVMurder in the First
2014
as Mark Strauss
TVChicago P.D.
2014
as Will Halstead
TVChicago Fire
2012
as Will Halstead
TVThe Newsroom
2012
as Ross Kessler
TVLongmire
2012
as Cameron Maddox
TVPerson of Interest
2011
as Jack Hughes
TVShameless
2011
as Robbie Pratt
MovieSam Steele and the Junior Detective Agency
2011
as Martinson Radio
TVRizzoli & Isles
2010
as Jack Roberts
TVThe Glades
2010
as Randy Dillard
TVThe Good Wife
2009
as Jesse
TVArmy Wives
2007
as Sergeant Joe Corey
TVIt's Always Sunny in Philadelphia
2005
as Sean
MovieButterfly in the Typewriter
as Joel Fletcher
