Theo James Walter Clark Jr. Actor Chi McBride Detective Don Owen Actor Kevin Alejandro Detective Christian Arroyo Actor Bonnie Somerville Detective Deborah McKenzie Actor Holt McCallany Detective Joe Diaco Actor Stella Maeve Agnes Clark Actor Ron Yuan Guest Star Valarie Pettiford Guest Star John Finn Guest Star Brandon Gill Guest Star Elizabeth Alderfer Guest Star Kevin O'Donnell Guest Star Tobias Segal Guest Star Vanessa Rubio Guest Star Arthur Gerunda Guest Star Deep Katdare Guest Star Greg Berlanti Executive Producer Nicholas Wootton Executive Producer Richard Shepard Executive Producer Christal Henry Writer Michael W. Watkins Director