Helmed by Tony-winning director Kenny Leon, focuses on the town of Grover's Corners, New Hampshire, and how life was there from 1901 to 1931.
Deutch's parents, Lea Thompson and Howard Deutch, were both present to support their daughter's Broadway debut, according to Just Jared.
Her boyfriend, Jimmy Tatro, was also in attendance.
A handful of the actress' Hollywood friends also showed up to show their support. See who attended the opening night along with the cast of "Our Town" below.
Lea Thompson and Howard Deutch
Jimmy Tatro
Katie Holmes
Nina Dobrev
Jim Parsons
Kaitlyn Dever
Cynthia Nixon
Ephraim Sykes
Shaun White
Ticket information for "Our Town" can be found here.
Luigi Mangione is in federal custody at the Metropolitan Detention Center Brooklyn, a jail notorious for its high-profile visitors such as Diddy and R. Kelly.