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 Janet Carroll Mrs. Cooke Guest Star Christa Miller Jordan Guest Star Aloma Wright Nurse Roberts Guest Star Eve Brent Mrs. Harris Guest Star Bernard Bruce Old Man Guest Star Monica Garcia Sperm Bank Nurse Guest Star Michael Hobert Lonnie Guest Star Aaron Ikeda Rex Guest Star Dave Martel Person in Line Guest Star Christina Miles Gloria AKA Any Intern Guest Star Robert Martin Robinson Mr. Borland Guest Star Jordan Zucker Lisa Guest Star Alisha Gaddis Nurses Aide Guest Star Michelle Shore Person in Line 2 Guest Star Bill Lawrence Executive Producer Adam Bernstein Director Eren Celeboglu Writer