Mark Sheppard, known for his role as Crowley on Supernatural, is recovering after a terrifying cardiac emergency. The 59-year-old actor revealed in an Instagram post that he suffered six massive heart attacks and had to be revived four times after collapsing in his Los Angeles kitchen. Despite the serious health scare, Sheppard shared that his prognosis is good, with doctors noting that his left ascending artery, which supplies blood to the heart, was completely blocked. Let’s watch the video for more details on his recovery and the challenges he’s faced.