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 David Marciano Joe Guest Star Aly Michalka Lexi Dunn Guest Star Amanda Michalka Nelly Dunn Guest Star Matthew Horner Cody 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 David Hoselton Writer Adam Scott Weissman Writer Dinh Thai Director