Jack Coleman, who played Hayden Panettiere’s onscreen dad on Heroes, is expressing his grief over her death at the age of 36. “I’m heartbroken. I couldn’t begin to put my thoughts into words until now, and they will be inadequate,” Coleman, 68, wrote via Instagram on Wednesday, August 19. He continued, “I’ve loved Hayden since day one of the pilot of Heroes, 20 years ago, when she introduced herself by shouting ‘daddy’ and throwing her arms around me. From that day on, she called me daddio. She was Haydini, because she was a magician.” “She was a prodigious talent. During a...