Zach Braff Dr. John "J.D." Dorian Actor Sarah Chalke Dr. Elliott Reid Actor Donald Faison Dr. Chris Turk Actor John C. McGinley Dr. Perry Cox Actor Judy Reyes Nurse Carla Espinosa Actor Ken Jenkins Dr. Bob Kelso Actor Neil Flynn The Janitor Actor Travis Schuldt Keith Guest Star Robert Maschio Todd Guest Star Christa Miller Jordan Guest Star Aloma Wright Nurse Roberts Guest Star Arthur R. Botham Old Man 2 Guest Star Charles Butler Father Rosenberg Guest Star Rebecca Metz Volunteer Woman Guest Star Christina Miles Gloria Guest Star Weston Nathanson Old Man Guest Star Hans Raith German Guy Guest Star Sabin Rich Stanley Guest Star Shannon Factor Herself Guest Star Bill Lawrence Executive Producer Michael Alan Spiller Director Janae Bakken Writer