Supernatural: Misha Collins Updates "The King" Mark Sheppard's Health https://bleedingcool.com/tv/supernatural-misha-collins-updates-the-king-mark-sh… Created Fri, 08/12/2023 - 08:57 Misha Collins had some FaceTime with his Supernatural co-star Mark Sheppard and shared an update on how Sheppard is doing health-wise.