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. Yeager 1 guest appearances Allan 1 guest appearances Yuppie 1 guest appearances Older Patient 1 guest appearances Paramedic 1 guest appearances Grandmother 1 guest appearances Bartender 1 guest appearances Woman 1 guest appearances Matthew 1 guest appearances Man 1 guest appearances Josh 1 guest appearances Philip Chambers 1 guest appearances Mr. Chambers 1 guest appearances Monster 1 guest appearances Patient 1 guest appearances Jerry Donovan 1 guest appearances Mr. Sloane 1 guest appearances Janitor's Father 1 guest appearances Patient 1 guest appearances Coffee Nurse 1 guest appearances ⇤ « 9 10 11 12 13 14 15 16 17 18 » ⇥