Guest Stars Khandi Alexander as Chief Medical Examiner Dr. Alexx Woods Chad L. Coleman as Tech Kevin Landau Josh Stewart as Colin Astor Kim Hawthorne as Wendy Kramer Stephen Martines as Jeff Peralta Elizabeth Ann Bennett as Teresa Vance Peter Lavin as Dr. Donald Phelps Fredro Starr as Ricky Gannon Co Starring Kavi Ladnier as Phlebotomist Nurse Joleigh Fioravanti as Kristen Peralta Jonny Siew as ER Tech Gina Sorell as Nurse