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 Oscar the Grouch 1 guest appearances Mr. Lawton 1 guest appearances Nurse 1 guest appearances Mr. Vaughn 1 guest appearances Mrs. Fishman 1 guest appearances Nurse Barbara 1 guest appearances Nurse Nelly 1 guest appearances Craig 1 guest appearances Peggy 1 guest appearances Dr. Kelso Intern 1 guest appearances Lulu Tarasi 1 guest appearances Dr, Wen Intern 1 guest appearances Brianna Tarasi 1 guest appearances Mr. Hill 1 guest appearances Mrs. Jensen 1 guest appearances Charles 1 guest appearances Paige 1 guest appearances Mr. Swick 1 guest appearances Dr. Fordham 1 guest appearances Mr. Gold 1 guest appearances ⇤ « 5 6 7 8 9 10 11 12 13 14 » ⇥