Nick Gehlfuss

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.

Known For

Shameless Not in library

Shameless

2011

Chicago P.D. Not in library

Chicago P.D.

2014

Chicago Fire Not in library

Chicago Fire

2012

Person of Interest Not in library

Person of Interest

2011

Constantine Not in library

Constantine

2014

It's Always Sunny in Philadelphia Not in library

It's Always Sunny in Philadelphia

2005

Chicago Med Not in library

Chicago Med

2015

Love & Mercy Not in library

Love & Mercy

2015

The Newsroom Not in library

The Newsroom

2012

The Good Wife Not in library

The Good Wife

2009

Acting

2026 CIA as Bill Goodman (8 episodes) In Library
2016 Equity as Gabe
2015 Love & Mercy as Bruce Johnston
2015 Chicago Med as Dr. Will Halstead (165 episodes)
2015 The Mystery of Matter: Search for the Elements as Glenn Seaborg (1 episode)
2014 Constantine as Thomas Galen (1 episode)
2014 Chicago P.D. as Will Halstead (10 episodes)
2014 Murder in the First as Mark Strauss (1 episode)
2012 Chicago Fire as Will Halstead (21 episodes)
2012 Longmire as Cameron Maddox (3 episodes)
2012 The Newsroom as Ross Kessler (4 episodes)
2011 Sam Steele and the Junior Detective Agency as Martinson Radio
2011 Person of Interest as Jack Hughes (1 episode)
2011 Shameless as Robbie Pratt (6 episodes)
2010 Rizzoli & Isles as Jack Roberts (1 episode)
2010 The Glades as Randy Dillard (1 episode)
2009 The Good Wife as Jesse (1 episode)
2007 Army Wives as Sergeant Joe Corey (1 episode)
2005 It's Always Sunny in Philadelphia as Sean (1 episode)
Butterfly in the Typewriter as Joel Fletcher