Dr. Doogie Howser
Vinnie Delpino
Katherine Howser
Dr. Benjamin Canfield
Dr. Jack McGuire
Nurse Curly Spaulding
Wanda Plenn
Janine Stewart
Raymond Alexander (credit only)
Dr. David Howser (as James B. Sikking)
Dr. Johnathan Reardon
Dr. Ron Welch
Heather
Girl in Crowd
Female Resident