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 Antonia Thomas Claire Browne Guest Star Natalee Linez Alma Guest Star Crystle Lightning Val Guest Star Charley Koontz Phil Hall Guest Star Aly Michalka Lexi Dunn Guest Star Maria Nash Holly Taylor Guest Star Elfina Luk Nurse Villanueva Guest Star Hollis Jane Andrews Sophie Guest Star Adam Greydon Reid Dr. Fremes. Guest Star Adam DiMarco Henry Campbell Guest Star America Olivo Mariel 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 Tracy Taylor Writer Adam Scott Weissman Writer April Fitzsimmons Writer Peter Blake Writer Sam Chanse Writer David Hoselton Writer David Renaud Writer Jessica Grasl Writer Jim Adler Writer Tristan Thai Writer Steven Paul Director Mike Listo Director David Straiton Director Rebecca Moline Director