Heroes Cast Mourn Hayden Panettiere, Share Heartfelt Tributes
After Hayden Panettiere's death, her Heroes co-stars including Masi Oka, Greg Grunberg, Dania Ramirez, Sendhil Ramamurthy, and James Kyson Lee paid emotional tributes on social media, praising her talent and warmth; Panettiere played Claire Bennet on NBC's Heroes, which ran for four seasons.