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 Freddy Rodríguez Mark Guest Star Scott Foley Sean Kelly Guest Star Tara Reid Danni Sullivan Guest Star Hattie Winston Margaret Turk Guest Star George Takei Himself Guest Star Art Bonilla Priest Guest Star Johnny Kastl Doug Guest Star Sam Lloyd Ted Guest Star Robert Maschio Todd Guest Star Christa Miller Jordan Guest Star Aloma Wright Nurse Roberts Guest Star Bellamy Young Dr. Miller Guest Star Jason Baumgard Chet Guest Star Candice Coke Maria Espinosa Guest Star Rene Hall Bartender Guest Star Philip McNiven Roy Guest Star George Miserlis Crispin Guest Star Dougald Park Mr. Fitzpatrick Guest Star Paul F. Perry Randall Guest Star Joselin Reyes Gabriella Guest Star Cristina Balmores Wrong Bride Guest Star Bill Lawrence Executive Producer, Director Tim Hobert Writer Eric Weinberg Writer