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.
as Joel Fletcher
as Bill Goodman(22 eps)
as Gabe
as Dr. Will Halstead(165 eps)
as Glenn Seaborg(1 ep)
as Bruce Johnston
as Thomas Galen(1 ep)
as Mark Strauss(1 ep)
as Will Halstead(10 eps)
as Will Halstead(21 eps)
as Ross Kessler(4 eps)
as Cameron Maddox(3 eps)
as Jack Hughes(1 ep)
as Robbie Pratt(6 eps)
as Martinson Radio
as Jack Roberts(1 ep)
as Randy Dillard(1 ep)
as Jesse(1 ep)
as Sergeant Joe Corey(1 ep)
as Sean(1 ep)