David Gallagher Says 7th Heaven Episode Where Dog Happy Gets Hit by a Car 'Was Really Heavy for Me' 7th Heaven’s Beverley Mitchell, David Gallagher and Mackenzie Rosman Recall 'Awkward' Kissing ...

PEOPLE can exclusively reveal Beverley Mitchell, who starred as Lucy on the series, is reuniting with David Gallagher, who portrayed her brother Simon, and Mackenzie Rosman, who played her sister ...