Main Characters Douglas "Doogie" Howser 97 main appearances Vinnie Delpino 97 main appearances Dr. David Howser 82 main appearances Katherine O'Brien Howser 81 main appearances Nurse Mary Margaret "Curly" Spaulding 69 main appearances Dr. Benjamin Canfield 66 main appearances Janine Stewart 23 main appearances Raymond Alexander 33 main appearances Dr. Jack McGuire 33 main appearances Wanda Plenn 19 main appearances
Recurring Guest Characters Dr. Nakayama 1 guest appearances Mr. Kinnevy 1 guest appearances Pregnant Woman 1 guest appearances Vinnie's Friend 1 guest appearances Lauren Aaron 1 guest appearances Mr. Aaron 1 guest appearances Dr. Andrews 1 guest appearances Ruth Favor 1 guest appearances Cyclist 1 guest appearances Bruce Webster 1 guest appearances Frank Webster 1 guest appearances Orderly 1 guest appearances Ranger 1 guest appearances Hospital Board Member 1 guest appearances Hospital Board Member 1 guest appearances Janet Felder 1 guest appearances Hospital Board Member 1 guest appearances Miss McCormick 1 guest appearances Billy 1 guest appearances Dr. Meyers 1 guest appearances ⇤ « 1 2 3 4 5 6 7 8 9 10 » ⇥