Mike Heslin has tragically passed away at age 30. The Lioness actor’s husband, Scotty Dynamo, took to Instagram on Friday, July 5, to reveal Heslin died on Tuesday, July 2, after going into an “unexpected cardiac arrest.” “Michael was young, in perfect health, and the doctors have no explanation for what happened,” his spouse penned in the heartbreaking announcement. “Michael was brilliant, selfless, talented, and a real-life guardian angel.” “He single-handedly carried me through multiple rounds of cancer. He was the first person everyone would call to share good news with, and he was the per…