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 Orderly 2 guest appearances Kristen Murphy 2 guest appearances Aaron Simon 2 guest appearances Dr. Simon Reid 2 guest appearances Sam Dorian 2 guest appearances Margaret Turk 2 guest appearances Young Elliot 2 guest appearances Mr. Hoffner 2 guest appearances Julie Keaton 2 guest appearances Patient 2 guest appearances Elaine 2 guest appearances Ralphie 2 guest appearances Dr. Donna 2 guest appearances Priest 2 guest appearances Board Member 2 guest appearances Dr. Green 2 guest appearances Young Janitor 2 guest appearances Nanny 2 guest appearances Maria Espinosa 2 guest appearances Gabriella Espinosa 2 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥