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 Paul Dooley Glen Guest Star Christina Chang Dr. Audrey Lim Guest Star Catherine Lough Haggquist Dr. Mohan Guest Star Kari Matchett Liam's Mother Guest Star Tim Beckmann Liam's Father Guest Star Teryl Rothery JL Guest Star David Shore Executive Producer Daniel Dae Kim Executive Producer David Kim Executive Producer Sebastian Lee Executive Producer Johanna Lee Writer David Straiton Director