Nicholas Gehlfuss is an American actor, known for his role in 2014 as Robbie Pratt in the fourth season of the Showtime family comedy-drama Shameless. From 2015–2023 he had a starring role as Dr. Will Halstead in the NBC medical drama Chicago Med.

Career

In 2014, Gehlfuss had a recurring role as Robbie Pratt in the fourth season of the Showtime family comedy-drama Shameless. In 2015, he guest-starred as Dr. Thomas Galen in the short-lived NBC horror drama Constantine in the penultimate episode "Angels and Ministers of Grace".

Later that year, Gehlfuss was cast in the NBC medical drama Chicago Med as Dr. Will Halstead. Halstead was first introduced in the police procedural drama Chicago P.D. as the older brother of Jesse Lee Soffer's character Detective Jay Halstead and afterwards, the drama Chicago Fire's backdoor pilot for Chicago Med.

Personal life

Gehlfuss was born in Cleveland, Ohio and raised in Little Italy and Chesterland, Ohio. He holds a Bachelor of Fine Arts from Marietta College and completed his Master of Fine Arts at University of Missouri-Kansas City. He has two younger siblings: Vincent and Jillian.

On May 13, 2016, Gehlfuss married hotel marketer Lilian Matsuda.

Filmography

Film

YearTitleRoleNotes
2009Sam Steele and the Junior Detective AgencyMartinson RadioVoice
2013In Lieu of FlowersMitch
2014Love & MercyBruce Johnston
2016EquityGabe
TBAButterfly in the TypewriterJoel FletcherPre-production

Television

YearTitleRoleNotes
2010Army WivesSergeant Joe CoreyEpisode: "Murder in Charleston"
2011The Good WifeJesseEpisode: "Breaking Up"
The WingmanNickEpisode: "Nick"
Blue BloodsJimmy the BookieEpisode: "Thanksgiving"
2012Person of InterestJack HughesEpisode: "Masquerade"
2013The GladesRandy DillardEpisode: "Glade-iators!"
Rizzoli & IslesJack RobertsEpisode: "No One Mourns the Wicked"
The NewsroomRoss KesslerRecurring role
2014ShamelessRobbie Pratt
LongmireCameron Maddox
Murder in the FirstMark Strauss
ClememtineSebastianTV movie
Royal PainsLanceEpisode: "Smoke and Mirrors"
ConstantineDr. Thomas GalenEpisode: "Angels and Ministers of Grace"
2015It's Always Sunny in PhiladelphiaSeanEpisode: "The Gang Group Dates"
PowerLeeGuest
The Mystery of Matter: Search for the ElementsGlenn SeaborgEpisode: "Into the Atom"
2015–2023Chicago P.D.Dr. Will HalsteadRecurring role
Chicago Fire
2015–2023 & 2025Chicago MedMain role; seasons 1-8, guest; season 11
2026CIAFBI Special Agent Bill GoodmanMain role

External links