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 Elizabeth Banks Dr. Kim Briggs Guest Star Travis Schuldt Keith Guest Star Kris Iyer Dr. Rotinaj Guest Star Sarah Lancaster Gift Shop Lisa Guest Star Robert Maschio Todd Guest Star Christa Miller Jordan Guest Star Aloma Wright Nurse Roberts Guest Star Johnny Crear Mr. Peters Guest Star Leon David Franco Greaser 2 Guest Star Christina Miles Gloria Guest Star Luis Daniel Ponce Greaser 1 Guest Star Jordan Zucker Lisa Guest Star Ryan Braun Intern Guest Star Ellie Torrez Hot Nurse Guest Star Tori Welles Anastasia Guest Star Bill Lawrence Executive Producer Richard A Wells Director Neil Goldman Writer Garrett Donovan Writer