Main Characters Dr. Christopher Duncan Turk 179 main appearances Dr. Percival "Perry" Ulysses Cox 179 main appearances Dr. John "J.D." Dorian 174 main appearances Dr. Robert "Bob" Kelso 165 main appearances Dr. Elliot Reid 167 main appearances Janitor 142 main appearances Nurse Carla Espinosa 166 main appearances Dr. Denise "Jo" Mahoney 13 main appearances Lucy Bennett 13 main appearances Drew Suffin 13 main appearances Cole Aaronson 13 main appearances
Recurring Guest Characters Mr. Hicks 1 guest appearances George 1 guest appearances Shawn 1 guest appearances Nurse 1 guest appearances Doctor 1 guest appearances Chubby Guy 1 guest appearances Pat Rosell 1 guest appearances Christine 1 guest appearances Mr. Tillman 1 guest appearances Dr. Simmons 1 guest appearances Mrs. Halford 1 guest appearances Patient 1 guest appearances Mr. Halford 1 guest appearances Whitney 1 guest appearances Mrs. Fremont 1 guest appearances Elmo 1 guest appearances A.M. Muppet (Ex Ray) 1 guest appearances Mr. Fremont 1 guest appearances Grover 1 guest appearances Another Intern 1 guest appearances ⇤ « 4 5 6 7 8 9 10 11 12 13 » ⇥