| Alexander Ludwig | Bjorn Lothbrok |
| Alex Høgh Andersen | Ivar |
| Marco Ilsø | Hvitserk |
| Ragga Ragnars | Gunnhild |
| Eric Johnson | Erik |
| Danila Kozlovskiy | Oleg of Novgorod |
| Peter Franzén | King Harald Finehair |
| Steven Berkoff | King Olaf the Stout |
| Lucy Martin | Ingrid |
| Alicia Agneson | Katia |
| Elshka Lane | Katia's Servant |
| Fredrik Hiller | Thorkell |
| Oran Glynn O'Donovan | Igor |
| Andrei Claude | Ganbaatar |
| Hannah Behan | Shield Maiden
(uncredited) |
| Sean Bingham | Rus Soldier
(uncredited) |
| Jordan Coombes | Shield Maiden
(uncredited) |
| Laura Flynn | Shield Maiden
(uncredited) |
| Brian Kearns | Viking Warrior
(uncredited) |
| Kristine Kenina | Shield Maiden
(uncredited) |
| Eoin Leahy | Rus Soldier
(uncredited) |
| Jinny Lofthouse | Shield Maiden
(uncredited) |
| John Mulvey | Viking
(uncredited) |
| Alex Payne | Rus
(uncredited) |
| Chris Peters | Rus Soldier
(uncredited) |
| Michael Redmond | Rus Soldier
(uncredited) |
| Caroline Simonnet | Shield Maiden
(uncredited) |
| Melody Sorensen | Rus
(uncredited) |