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 Sam Lloyd Ted Guest Star Robert Maschio Todd Guest Star Christa Miller Jordan Guest Star Travis Schuldt Keith Guest Star Ned Bellamy Dr. Green Guest Star Shaughn Buchholz Cabbage Guest Star Chad Broskey Rod Guest Star Carole Davis Rosie Guest Star Gina DeVivo Stephanie Guest Star Becky Guiley Nurse Guest Star Manley Henry Snoop Dogg Intern Guest Star J.J. Nolan Hot Girl 1 Guest Star Randi Pareira Barbara Guest Star Mike Schwartz Lloyd Guest Star Bill Lawrence Cafeteria Client Guest Star, Executive Producer Maura Murphy Hot Girl 2 Guest Star Richard A Wells Director Andy Schwartz Writer