Main Characters James K. Howard 24 main appearances Martha Howard 24 main appearances Peter Howard 24 main appearances Wendy Howard 24 main appearances Teddy Howard 24 main appearances Jake Howard 24 main appearances Dr. Luther Quince 24 main appearances
Recurring Guest Characters Agatha Dwiggins 3 guest appearances Johnny Crown 1 guest appearances Harriet 1 guest appearances Prof. Josef Lokacs 1 guest appearances