Mills' bare dramatics are confined to just a few films.
Mills, however, didn't see their age difference as an issue at the time.
In 1964, a few years post- Pollyanna and Parent Trap, she starred in , playing a disturbed teenager navigating a relationship with her even more disturbed governess Deborah Kerr.
She found solace in theater productions at her school.
The affair made jaws drop, not only , but also because Boulting was married with children.
The year 1966 was a scandalous one for Hayley Mills.