Nick Gehlfuss stars as Dr. Will Halstead (brother of Det. Jay Halstead, played by Jesse Lee Soffer of "Chicago P.D.") on the NBC drama "Chicago Med." Will balances the stresses of being the ER's supervising attending physician and has moved on from the complicated relationship he shared with Dr. Natalie Manning (Torrey DeVitto).

Gehlfuss has had recurring roles on "Shameless," "The Newsroom" and "Power," as well as guest spots on "It's Always Sunny in Philadelphia," "The Good Wife," "Person of Interest" and "Royal Pains." 

He made his stage debut in New York in the Classic Stage Company's production of "Midsummer Night's Dream" (Lysander), starring opposite Bebe Neuwirth and Christina Ricci, and received the prestigious Rosemarie Tichler Award for outstanding performance in a play. In Los Angeles, he starred in Neil LaBute's "Reasons to Be Pretty" at the Geffen Playhouse.

Born in Cleveland, he holds a Bachelor of Fine Arts in theater and a Master of Fine Arts in acting.