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 Female Officer 1 guest appearances Waitress 1 guest appearances Group Leader 1 guest appearances Brand New Father in Elevator 1 guest appearances Real Estate Agent 1 guest appearances Mr. Bailey 1 guest appearances Mrs. Mickling 1 guest appearances Bride's Father 1 guest appearances Groom 1 guest appearances Bride's Friend 1 guest appearances Karen 1 guest appearances Pete 1 guest appearances Anesthesiologist 1 guest appearances Doctor 1 guest appearances TBD 1 guest appearances Professor 1 guest appearances Customer 1 guest appearances Dr. Montanya 1 guest appearances Film Student 1 guest appearances Julia Myatt 1 guest appearances ⇤ « 18 19 20 21 22 23 24 25 26 27 » ⇥