The Dreamer of Oz The L. Frank Baum Story is a 1990 television film that stars John Ritter as Lyman Frank Baum, the man who wrote The Wonderful Wizard of Oz and thirteen of the other Oz books. Also starring in this TV movie was Annette OToole as Baums supportive wife, Maud and Rue McClanahan as Baums tough motherinlaw, Matilda Gage. Johns son, Jason Ritter, makes his debutcitation needed in this telefilm as Harry Neal Baum.
Source: Wikipedia