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 Joe E. Dunn 1 guest appearances Mark Murson 1 guest appearances Sean Licht 1 guest appearances Kevin Walters 1 guest appearances Dr. Pinkley 1 guest appearances Vicki Rauseo 1 guest appearances Stage Manager 1 guest appearances Paul Newmann 1 guest appearances Dr. Cooper 1 guest appearances Dr. Sullivan 1 guest appearances Policeman 1 guest appearances Injured Boy 1 guest appearances Orderly 1 guest appearances Dr. Anderson 1 guest appearances Bratty Kid 1 guest appearances Cook 1 guest appearances Caroline 1 guest appearances Delivery Doctor 1 guest appearances Crista Benson 1 guest appearances Dr. Freeman 1 guest appearances ⇤ « 2 3 4 5 6 7 8 9 10 11 » ⇥