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
2014
Chicago P.D.
2015
Chicago Fire
2015
The Good Wife
2011
Chicago Med
2015
Person of Interest
2012
It's Always Sunny in Philadelphia
2015
Rizzoli & Isles
2013
Army Wives
2010
Longmire
2014
The Newsroom
2013
The Glades
2013

FILMOGRAPHY

All
Movies
TV
Acting
20
2026
CIA
as Bill Goodman
2016
Equity
as Gabe
2015
Love & Mercy
as Bruce Johnston
2015
Chicago Med
as Dr. Will Halstead
2015
The Mystery of Matter: Search for the Elements
as Glenn Seaborg
2015
Constantine
as Thomas Galen
2015
Chicago Fire
as Will Halstead
2015
Chicago P.D.
as Will Halstead
2015
It's Always Sunny in Philadelphia
as Sean
2014
Shameless
as Robbie Pratt
2014
Longmire
as Cameron Maddox
2014
Murder in the First
as Mark Strauss
2013
Rizzoli & Isles
as Jack Roberts
2013
The Glades
as Randy Dillard
2013
The Newsroom
as Ross Kessler
2012
Person of Interest
as Jack Hughes
2011
Sam Steele and the Junior Detective Agency
as Martinson Radio
2011
The Good Wife
as Jesse
2010
Army Wives
as Sergeant Joe Corey
Butterfly in the Typewriter
as Joel Fletcher