Acting
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.
Person of Interest
2011
Shameless
Chicago Fire
2012
Chicago P.D.
2014
Chicago Med
2015
It's Always Sunny in Philadelphia
2005
The Good Wife
2009
Rizzoli & Isles
2010
CIA
2026
Army Wives
2007
Longmire
The Newsroom
The Glades
Constantine
Murder in the First
Love & Mercy
Equity
2016
Butterfly in the Typewriter
The Mystery of Matter: Search for the Elements
Sam Steele and the Junior Detective Agency