Stała obsada sezonu 12

1. 

   Travis Fimmel

   Ragnar Lothbrok

2. 

   Gustaf Skarsgård

   Floki

3. 

   Clive Standen

   Rollo

4. 

   Katheryn Winnick

   Lagertha

5. 

   Alexander Ludwig

   Bjorn Lothbrok

6. 

   Alyssa Sutherland

   Aslaug

7. 

   Maude Hirst

   Helga

8. 

   George Blagden

   Athelstan

9. 

   Linus Roache

   King Ecbert

10. 

    Moe Dunford

    Aethelwulf

11. 

    Ben Robson

    Kalf

12. 

    Jennie Jacques

    Judith

Goście specjalni 20

1. 

   Jessalyn Gilsig

   Siggy Haraldson

2. 

   Jefferson Hall

   Torstein

3. 

   John Kavanagh

   The Seer

4. 

   Amy Bailey

   Princess Kwenthrith

5. 

   Chris McHallem

   First Saxon Noble

6. 

   John Merriman

   Second Mercian Archer

7. 

   Lochlann O'Mearáin

   First Noble

8. 

   Lalor Roddy

   Fisherman

9. Amy Potter

   Woman

10. 

    Niamh Algar

    Second Woman

11. Tony Owen

    Older Man

12. 

    Aaron Monaghan

    Burgred

13. Marty Maguire

    Second Saxon Noble

14. 

    Muiris Crowley

    Third Saxon Noble

15. 

    Cormac Melia

    Ubbe

16. 

    Cathal O'Hallin

    Hvitserk

17. 

    Gaia Weiss

    Porunn

18. Gary Kenneally

    Bjarke

19. 

    Kevin Durand

    Harbard

20. 

    Conor Ryan

    Second Noble

Ekipa 3