By Megan Daley
Updated May 29, 2015 at 12:00 PM EDT
Credit: Neilson Barnard/Getty Images

Colin Donnell will join the cast of Chicago Med as a series regular, EW has confirmed.

Chicago Med, the latest spinoff in the popular "Chicago" franchise is set to follow the everyday chaos of the city's most fast-paced hospital. The medical drama will focus on the courageous doctors who keep the hospital running, tackling new cases and forming relationships in the ER.

The actor, most known for roles on Arrow and The Affair, joins previously announced castmembers Yaya DaCosta, Oliver Platt, S. Epatha Merkerson and Laurie Holden.

Chicago Med premieres on NBC this fall.