Guest Stars Sofia Black-D'Elia as Andrea Cornish Aaron Moten as Petey Mustafa Shakir as Victor J.D. Williams as Trevor Williams Frank Wood as Medical Examiner Lord Jamar as Tino Fisher Stevens as Saul the Pharmacist Aubrey Joseph as Dwight Gooden Stone Charlie Hudson III as Duane Steve Cirbus as Duane Reade Nicholas Zaillian as Dmetri Garrett Basch as Ivan Bryan Burton as Shelter Volunteer Chris Perfetti as Lawyer / Cooper Ashley Thomas as Calvin Hart Joe Egender as Cutty Jack Gilpin as Doctor Anthony "Treach" Criss as Willy John Don Guillory as ADA #3 Racquel Bailey as Ciara Monique Pappas as Petey's Mom Alexis Suarez as 87th Street Cop Yvonne Zima as Teacher Richard Price as TBD Otoja Abit as Willy John's Friend Emmanuelle Nadeau as Student 3 Joseph A. Coppola as Bartender Ivan Camilo as Bodega clerk Erica Cho as ADA #1 Jeff Chena as Ciara's John Skyler Fortgang as Student #1 Barrington Walters, Jr. as Student #2 Frank Ridley as Jerry