While devilish Rick Castle (Nathan Fillion) has been busy solving crimes on "Castle," angel-faced Molly Quinn has stolen our hearts as the mystery novelist's whip-smart (but refreshingly non-smartass) daughter, Alexis. Click through this slideshow to see the evidence in our case for loving her. — TV Guide
5 Reasons We Love 'Castle's' Molly Quinn
See the five reasons why we love 'Castle's' Molly Quinn.