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 Windell Middlebrooks Captain Duncook Guest Star Nicky Whelan Maya Guest Star Cecelia Antoinette Mrs. Duncan Guest Star Bill Lee Brown Man Guest Star Kurt Doss Ryan Guest Star Jeremiah Hu Student Guest Star Audrey Kearns Meghan Maroney Guest Star Bill Lawrence Executive Producer Steven Cragg Writer Brian Bradley Writer Gail Mancuso Director