Freddie Highmore Dr. Shaun Murphy Actor Antonia Thomas Dr. Claire Browne Actor Nicholas Gonzalez Dr. Neil Melendez Actor Chuku Modu Dr. Jared Kalu Actor Beau Garrett Jessica Preston Actor Hill Harper Dr. Marcus Andrews Actor Richard Schiff Dr. Aaron Glassman Actor Tamlyn Tomita Allegra Aoki Actor Graham Verchere Young Shaun Guest Star Dylan Kingwell Steve Murphy Guest Star Paige Spara Lea Guest Star Crystal Balint Barb Allen Guest Star Niall Matter Mark Allen Guest Star Sara Waisglass Olivia Hartman Guest Star Eve Gordon Nurse Fryday Guest Star David Shore Executive Producer Daniel Dae Kim Executive Producer David Kim Executive Producer Sebastian Lee Executive Producer Thomas L. Moran Writer Steven DePaul Director