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 Jenny Jones 1 guest appearances Chris Reed 1 guest appearances Acting Coach 1 guest appearances Billy Tishler 1 guest appearances ⇤ « 20 21 22 23 24 25 26 27 28 29 » ⇥