John Lithgow and Geoffrey Rush reveal their character inspirations for The Rule of Jenny Pen

The Rule of Jenny Pen is set in a unique location for a horror film: a secluded rest home. Acting legends John Lithgow and Geoffrey Rush divulge their own inspirations for their characters and what drew them to the roles. And Mashable Entertainment Editor, Kristy Puchko, has the delightful task of educated them on the phenomenon that is the 'psycho-biddy'.

The Rule of Jenny Pen is now in theaters.