Dr. Doogie Howser
Vinnie Delpino
Katherine Howser
Dr. Benjamin Canfield
Dr. Jack McGuire
Nurse Curly Spaulding
Dr. David Howser (as James B. Sikking)
Wanda Plenn
Griffin Marshall
Janine Stewart
Marshall's Friend
Ray (as Earl Bullock)
Nurse Klondale
Nurse Billington
Susan
Dr. Goring (uncredited)