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 Steve Cirbus as Duane Reade Charlie Hudson III as Duane Bryan Burton as Shelter Volunteer Garrett Basch as Ivan Nicholas Zaillian as Dmetri Joe Egender as Cutty Ashley Thomas as Calvin Hart Anthony "Treach" Criss as Willy John Chris Perfetti as Lawyer / Cooper Jack Gilpin as Doctor Monique Pappas as Petey's Mom Racquel Bailey as Ciara Don Guillory as ADA #3 Alexis Suarez as 87th Street Cop Yvonne Zima as Teacher Richard Price as TBD Frank Ridley as Jerry Otoja Abit as Willy John's Friend Joseph A. Coppola as Bartender Emmanuelle Nadeau as Student 3 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