| Travis Fimmel | Ragnar Lothbrok |
| Katheryn Winnick | Lagertha |
| Clive Standen | Rollo |
| Jessalyn Gilsig | Siggy Haraldson |
| Gustaf Skarsgård | Floki |
| George Blagden | Athelstan |
| Alexander Ludwig | Bjorn Lothbrok |
| Alyssa Sutherland | Princess Aslaug |
| Donal Logue | King Horik |
| Linus Roache | King Ecbert |
| Thorbjørn Harr | Jarl Borg |
| John Kavanagh | The Seer |
| Maude Hirst | Helga |
| Jefferson Hall | Torstein |
| Cormac Melia | Ubbe |
| Cathal O'Hallin | Hvitserk |
| Rachel-Mae Brady | Young Woman |
| Jens Christian Buskov Lund | Olrik |
| Georgia Hirst | Torvi |
| Morgan C. Jones | Law Giver |
| Carrie Crowley | Elisef |
| Moe Dunford | Aethelwulf |
| Philip O'Sullivan | Bishop Edmund |
| Richard Ashton | Thorvard |
| Gary Kenneally | Bjarke |
| Lemuel Black | Viking |
| Rick Burn | Warrior |
| Jordan Coombes | Shield Maiden |
| Robert MacDomhnail | Viking Warrior |
| Eimear O'Grady | Shield Maiden |
| Dean O'Neill | Viking Warrior |