One of the paintings considered by Ossian "Osh" Popham (Burl Ives) to be Mrs. Hamilton is now hanging in the Golden Horseshoe at Disneyland.
Hayley Mills has gone on record to say that this was her least favorite of all of the Disney movies she did while under contract at the studio.
Popular Disney star Annette Funicello was an experienced singer and dancer. This film was planned with her as the star. Apparently not knowing about this, she signed with American International Pictures, much to Walt Disney's displeasure, to appear in their film "Beach Party" (1963). That film was a big hit and it led to starring roles in a series of "Beach Party" and other feature films at AIP. Contrary to some sources, Walt Disney would later cast her in several more movies.
Tom Hamilton's (Peter Brown) car is a 1914 Stutz Bearcat.