Dr. Douglas `Doogie' Howser

Neil Patrick Harris

Vinnie Delpino

Max Casella

Victoria Burke

Elyssa Davalos

Katherine O'Brien Howser

Belinda Montgomery

Dr. David Howser

James B. Sikking

Dr. Benjamin Canfield

Lawrence Pressman

Nurse Mary Margaret "Curly" Spaulding

Kathryn Layng

Wanda Plenn

Lisa Dean Ryan

Dr. Jack McGuire

Mitchell Anderson

Janine Stewart

Lucy Boryer

Molly Harris

Shiri Appleby

Candace

Mayim Bialik

Woman Patient

Peggy Doyle

Movie Nurse

Jennifer Horton

Fiona Wilkes

Gwen E. Davis

30's Her

Lisa Freeman

Girl in Class

Shiva Gordon

P.K.

Brian Heidik

Cook

Homeselle Joy

Movie Doctor

Lawrence H. Toffler