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 Enuka Okuma Suzanne Davis Guest Star Sebastian Sozzi Diego Carranza Guest Star Jenna Hawkins Riley Guest Star Conor O'Farrell Gary Evans Guest Star Kristina Valada-Viars Elizabeth Fermi Guest Star Maximus Chase Evans Benny Young Guest Star Echaka Agba Jess Guest Star Mary Williamson Fontana Guest Star Coby Goss Nolan Florjanczyk Guest Star Guy Van Swearingen George Redding Guest Star Rammel Chan Matthew Lee Guest Star Geoffrey Theron Rice Miles Guest Star Mitchell Fain Scoot Guest Star Sadieh Rifai Elena Guest Star Ava DuVernay Executive Producer Greg Berlanti Executive Producer Sarah Schechter Executive Producer Sue Chung Writer Aurora Guerrero Director