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Biography
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.
Filmography17 titles
CIA
2026as Bill Goodman
2026as Bill Goodman
Chicago P.D.
2014as Will Halstead
2014as Will Halstead
Chicago Fire
2012as Will Halstead
2012as Will Halstead
Chicago Med
2015as Dr. Will Halstead
2015as Dr. Will Halstead
It's Always Sunny in Philadelphia
2005as Sean
2005as Sean
Shameless
2011as Robbie Pratt
2011as Robbie Pratt
The Newsroom
2012as Ross Kessler
2012as Ross Kessler
Person of Interest
2011as Jack Hughes
2011as Jack Hughes
Rizzoli & Isles
2010as Jack Roberts
2010as Jack Roberts
Constantine
2014as Thomas Galen
2014as Thomas Galen
Longmire
2012as Cameron Maddox
2012as Cameron Maddox
The Good Wife
2009as Jesse
2009as Jesse
Army Wives
2007as Sergeant Joe Corey
2007as Sergeant Joe Corey
Love & Mercy
2014as Bruce Johnston
2014as Bruce Johnston
The Glades
2010as Randy Dillard
2010as Randy Dillard
Murder in the First
2014as Mark Strauss
2014as Mark Strauss
Equity
2016as Gabe
2016as Gabe