And, Action! Pets on SetFrom Tom Cruise to Jessica Alba, furry pals make work much more fun for these celebrities

Credit: PhamousFotos/AVM/Splash News Online

Updated: Tuesday Aug 25, 2009 | 07:45 AM EDT By: Amy Jamieson and Kate Hogan

CHEERED UP

Save the cheerleader, save the dog? Hayden Panettiere totes her lovable pooch while shooting the NBC drama Heroes in Los Angeles.