Tony winner Tonya Pinkins has joined ABC’s upcoming limited series Women of the Movement, according to Deadline. The show stars the previously announced Tony nominee Adrienne Warren as Mamie Till-Mobley, who devoted her life to seeking justice for her son Emmett Till. Pinkins will play Alma, Emmett Till’s grandmother. Niecy Nash was originally announced for the role, but she has exited the series for personal reasons.

Women of the Movement is inspired by the book Emmett Till: The Murder That Shocked the World and Propelled the Civil Rights Movement by Devery S. Anderson. The six-episode limited series was created and written by Marissa Jo Cerar, the producing team includes Jay-Z, Will Smith and Aaron Kaplan. It is set to premiere in 2021.