Cummings will feature as a series regular in the drama, which stars Priyanka Chopra Jones and Richard Madden as well as Danish actor Roland Møller.
No word yet who Cummings will play in the spy series, which is a co-production with the Russo’s Agbo and Midnight Radio.
The series will feature a U.S. “mothership” edition, which will star Quantico star Chopra Jones and Bodyguard star Madden, as well as local language extensions of the franchise in Italy, India and Mexico.
Josh Appelbaum, André Nemec, Jeff Pinkner, and Scott Rosenberg of Midnight Radio will serve as writers and executive producers of Citadel. Patrick Moran, Mike Larocca, and Joe and Anthony Russo will also serve as executive producers.
Cummings played lead Vic McQueen in AMC horror series NOS4A2,