Unforgiven

King Horik returns to Kattegat with a surprising proposition for Ragnar; Lagertha runs into a less than enthusiastic homecoming from her new husband; Athelstan becomes confidant to King Ecbert.

Georgia Hirst

Torvi

Jefferson Hall

Torstein

John Kavanagh

The Seer

Morten Suurballe

Sigvard

Derry Power

Older Man

Rick Burn

Warrior

Thorbjørn Harr

Jarl Borg

Cormac Melia

Ubbe

Cathal O'Hallin

Hvitserk

Gaia Weiss

Porunn

Steve Wall

Einar

Edvin Endre

Erlendur