London native and genre TV veteran Mark Sheppard stole scenes in 2023 thanks to his work on Doom Patrol and as Walker: Independence’s Hagan, but his shocking health update going into the holiday season makes such scripted performances seem unimportant in comparison. The Supernatural vet revealed he survived a freaky health scare with seemingly supernatural abilities, and garnered a ton of support from former SPN cast members on not only that series, but also Doctor Who, Battlestar Galactica, and Firefly.
