- Alex Høgh Andersen (Ivar Lothbrok / Ivar the Boneless)
- Jordan Patrick Smith (Ubbe Lothbrok)
- Marco Ilsø (Hvitserk Lothbrok)
- Peter Franzén (King Harald Finehair)
- Georgia Hirst (Torvi)
- Danila Kozlovsky (Prince Oleg of Novgorod)
Vikings — S5E12
Episode: Murder Most Foul
Air Date: 2018-12-05
Runtime: 45 min
Overview
Bjorn, Lagertha and Ubbe face an uncertain fate as Heahmund's loyalty is tested. Floki fights to understand the will of the gods. Ivar may have met his match.