Main Characters
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