Zach Braff Dr. John "J.D." Dorian Actor Donald Faison Dr. Chris Turk Actor John C. McGinley Dr. Perry Cox Actor Eliza Coupe Dr. Denise Mahoney Actor Kerry Bishé Lucy Bennett Actor Michael Mosley Drew Suffin Actor Dave Franco Cole Aaronson Actor Ken Jenkins Dr. Bob Kelso Guest Star Nicky Whelan Maya Guest Star Matty Cardarople Frank Guest Star Jane Le Ming Guest Star Matthew Moy Trang Guest Star Mark Behar Background Doctor Guest Star Felicia Chong Hospital Patient Guest Star Bill Lawrence Executive Producer Alessia Costantini Writer Prentice Penny Writer Eren Celeboglu Director