Elenco principal da temporada 9

1. 

   Alex Høgh Andersen

   Ivar Lothbrok / Ivar the Boneless

2. 

   Gustaf Skarsgård

   Floki

3. 

   Jordan Patrick Smith

   Ubbe Lothbrok

4. 

   Marco Ilsø

   Hvitserk Lothbrok

5. 

   Katheryn Winnick

   Lagertha

6. 

   Peter Franzén

   King Harald Finehair

7. 

   Alexander Ludwig

   Bjorn Lothbrok

8. 

   Georgia Hirst

   Torvi

9. 

   Ferdia Walsh-Peelo

   Alfred

Convidados Especiais 18

1. 

   Ida Marie Nielsen

   Margrethe

2. 

   Jonathan Rhys Meyers

   Bishop Heahmund

3. 

   Jennie Jacques

   Judith

4. 

   Jack McEvoy

   Helgi the Lean

5. 

   Roisin Murphy

   Elsewith

6. 

   Jonathan Delaney Tynan

   Lord Cuthred

7. Matthew Ralli

   Spy

8. 

   Mark Lavery

   Ivar's Male Slave

9. 

   Damien Devaney

   Wilfred

10. 

    Mei Bignall

    Thorunn

11. 

    Darren Cahill

    Aethelred

12. 

    Kristen Holden-Ried

    Eyvind

13. 

    Elijah Rowen

    Asbjorn

14. 

    Leah McNamara

    Aud

15. 

    Alicia Agneson

    Freydis

16. Svea Killoran

    Asa

17. 

    Ryan Henson

    Hali

18. 

    Scott Graham

    Frodi

Equipa técnica 3