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 Michael Weston Private Brian Dancer Guest Star Elizabeth Banks Dr. Kim Briggs Guest Star Sam Lloyd Ted Guest Star Jay Kenneth Johnson Dr. Matthews Guest Star Robert Maschio Todd Guest Star Johnny Kastl Doug Guest Star Christa Miller Jordan Guest Star Travis Schuldt Keith Guest Star Aloma Wright Nurse Roberts Guest Star Frank Cameron Dr. Mickhead Guest Star Manley Henry Snoop Dogg Intern Guest Star Mike Schwartz Delivery Man Guest Star Andrew Miller Baby Jack Guest Star Bill Lawrence Executive Producer John Putch Director John Inwood Director Linda Mendoza Director Victor Nelli Jr. Director Mark Stegemann Director Chris Koch Director Will Mackenzie Director Kevin Biegel Writer Debra Fordham Writer Janae Bakken Writer Aseem Batra Writer Bill Callahan Writer Garrett Donovan Writer Eric Weinberg Writer Dave Tennant Writer Clarence Livingston Writer Sean Russell Writer Tad Quill Writer Neil Goldman Writer