Geek Girl Authority on X: Happy Birthday to Alexander Ludwig, a.k.a. Björn Lothbrok, a.k.a. Cato! #Vikings #TheHungerGames / X

AlexanderLudwig #Bjorn #Vikings #HistoryChannel Season Two Promo Pic

Vikings 8 x 10 Photo Alexander Ludwig/Bjorn Lothbrok Handsome in Black w/Brown Belt kn at 's Entertainment Collectibles Store

Vikings Is Adding Some Hunger Games To It's Cast! Talk About Being Bjorn Again! Doh!

Vikings Is Adding Some Hunger Games To It's Cast! Talk About Being Bjorn Again! Doh!

Alexander Ludwig - IMDb

Vikings 8 x 10 Photo Alexander Ludwig/Bjorn Lothbrok Young & Sexy Grey Sky kn at 's Entertainment Collectibles Store

Vikings: Alexander Ludwig aka Bjorn Ironside turns 29

Valentine's Day 2016: Happy V-Day From 'Vikings' Bjorn!

Vikings: Alexander Ludwig aka Bjorn Ironside turns 29

Vikings' Stars Alexander Ludwig & Katheryn Winnick Alexander ludwig, Katheryn winnick, Alexander ludwig vikings