Freddie Highmore Dr. Shaun Murphy Actor Hill Harper Dr. Marcus Andrews Actor Richard Schiff Dr. Aaron Glassman Actor Christina Chang Dr. Audrey Lim Actor Fiona Gubelmann Dr. Morgan Reznick Actor Will Yun Lee Dr. Alex Park Actor Paige Spara Lea Actor Rachel Bay Jones Salen Morrison Guest Star Jeremiah Birkett Walt Taylor Guest Star Maria Nash Holly Taylor Guest Star Jill Teed Gina Campbell Guest Star Adam DiMarco Henry Campbell Guest Star Elfina Luk Nurse Villanueva Guest Star David Shore Executive Producer Daniel Dae Kim Executive Producer David Kim Executive Producer Sebastian Lee Executive Producer Erin Gunn Executive Producer Park Jae-beom Writer Peter Blake Writer Tristan Thai Writer David Straiton Director