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 Mrs. Alexander 1 guest appearances Captain Adams 1 guest appearances Sergeant Fogle 1 guest appearances Lou 1 guest appearances Valerie Simpson 1 guest appearances Customer 1 guest appearances Policeman 1 guest appearances Phillip 1 guest appearances Delivery Boy 1 guest appearances Marine 1 guest appearances FBI Man 1 guest appearances Darlene 1 guest appearances Mrs. Leonard 1 guest appearances Charlie Wilson 1 guest appearances David Moore 1 guest appearances Archie Agglehoff 1 guest appearances Bernadette Callen 1 guest appearances Eye Doctor 1 guest appearances Mr. Callen 1 guest appearances Mrs. Callen 1 guest appearances ⇤ « 4 5 6 7 8 9 10 11 12 13 » ⇥