Noah Wyle Daniel Calder Actor Emayatzy Corinealdi Tia Young Actor Aliyah Royale Jira Calder-Brennan Actor Noel Fisher Paul Evans Actor Howard Charles Ethan Young Actor Elizabeth Laidlaw Victoria "Vic" Renna Actor Vinny Chhibber Liam Bhatt Actor Michael Patrick Thornton Jim Evans Actor Glynn Turman Nathan Gordon Guest Star Kristina Valada-Viars Elizabeth Guest Star Conor O'Farrell Gary Evans Guest Star Caroline Neff Abby Guest Star Enuka Okuma Suzanne Guest Star Maximus Chase Evans Benny Young Guest Star J.J. Hawkins Riley Guest Star Rammel Chan Matthew Lee Guest Star Guy Van Swearingen George Redding Guest Star McKenzie Chinn Charisse Guest Star Mitchell Fain Scoot Guest Star Sebastian Sozzi Diego Carranza Guest Star Ava DuVernay Executive Producer Greg Berlanti Executive Producer Sarah Schechter Executive Producer Caitlin Parrish Writer Aaron Carter Writer Fawzia Mirza Writer Sue Chung Writer Sunil Nayar Writer Shernold Edwards Writer Brendan Kelly Writer Kevin Hooks Director Erica Weiss Writer Sheelin Choksey Director Aurora Guerrero Director Matthew A. Cherry Director DeMane Davis Director Victoria Mahoney Director Thomas Carter Director