Tony nominee Kenny Leon directs the rap-inspired production, beginning performances in May.
Sesame Street veteran Roscoe Orman will costar in the civil rights-inspired production.
Tony winner Tonya Pinkins, Amy Brenneman, and other theater veterans are also set to participate in the one-night-only benefit event.
Gurwitch's work will be read as a one-night-only event at the off-Broadway theater.
Tony Award winner Rupert Holmes has adapted best-selling author John Grisham's first novel into a legal thriller for the stage.