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.
Sam Steele and the Junior Detective Agency
(Martinson Radio)
Love & Mercy
(Bruce Johnston)
Equity
(Gabe)
Butterfly in the Typewriter
(Joel Fletcher)
Rizzoli & Isles
(Jack Roberts)
Chicago Med
(Dr. Will Halstead)
The Mystery of Matter: Search for the Elements
(Glenn Seaborg)
Constantine
(Thomas Galen)
Person of Interest
(Jack Hughes)
The Good Wife
(Jesse)
The Glades
(Randy Dillard)
Chicago Fire
(Will Halstead)
Chicago P.D.
(Dr. Will Halstead)
Chicago P.D.
(Will Halstead)
Shameless
(Robbie Pratt)
It's Always Sunny in Philadelphia
(Sean)
Longmire
(Cameron Maddox)
Murder in the First
(Mark Strauss)
The Newsroom
(Ross Kessler)