Adi Hasak Creator, Executive Producer Jennifer Lopez Harlee Santos Actor, Executive Producer Ray Liotta Matt Wozniak Actor Drea de Matteo Tess Nazario Actor Hampton Fluker Marcus Tufo Actor Warren Kole Robert Stahl Actor Vincent Laresca Carlos Espada Actor Dayo Okeniyi Michael Loman Actor Sarah Jeffery Cristina Santos Actor Gino Anthony Pesi ADA James Nava Actor Dov Davidoff Internal Affairs Detective Verco Guest Star Nick Wechsler Cole Guest Star Christopher James Baker Theo Bennett Guest Star Samuel Smith Wallace Tufo Guest Star Chelle Ramos Diana Guest Star Victor Turpin Enrique Guest Star Elia Monte-Brown Jessica Phelps Guest Star Bruce McGill Jordan Ramsey Guest Star Elisha Lawson Dixon Guest Star Vanessa Vander Pluym Gina Romero Guest Star Mat Hostetler ER Doctor Guest Star Kerri Miller Harlee's Doctor Guest Star Laura Aguinaga Blood Bank Nurse Guest Star Gene Gabriel Cable Guy Guest Star Alexei Bondar Male Suit Guest Star Elizabeth Loyacano Female Suit Guest Star Jade Elysan ER Nurse Guest Star Dipti Mehta Harlee's Nurse Guest Star Jack Orman Executive Producer Elaine Goldsmith-Thomas Executive Producer Benny Medina Executive Producer Ryan Seacrest Executive Producer Nina Wass Executive Producer