Who plays Aslaug in Vikings?
Aslaug is played by Alyssa Sutherland in the original Vikings series.
Explore family, allies and rivals or follow the story sections below.
Cast references: Alyssa Sutherland.
Explore Aslaug’s story
The saga inheritance
The character identifies with Sigurd and Brynhildr’s legendary lineage. This is saga material used by the drama, not a verified historical family record.
Mother and ruler
She becomes Ragnar’s second wife and mother to Ubbe, Hvitserk, Sigurd and Ivar. Her protection of Ivar shapes his survival and emotional allegiance.
The limits of prophecy
Record what Aslaug predicts separately from what the story later shows. A vision and its interpretation are different kinds of information, even in a drama that makes the supernatural visible.
A death that divides the next generation
Lagertha kills her after taking Kattegat. Her sons’ differing responses to the killing make their later alliances more complicated than a simple family feud.
Read the household as a political institution
Calling Aslaug merely a rival wife obscures why her position matters to the larger story. Sons, succession, prophecy and the daily work of ruling connect the family to the future of Kattegat. Her protection of Ivar is also a decisive form of agency: it helps determine who survives to shape the next generation. A useful rewatch compares the way people describe her with the consequences of her choices. Those perspectives need not agree, and neither popularity nor hostility among fans resolves what the drama actually shows.
Relationships & loyalties
Episode-by-episode evolution
The turning points in Aslaug’s story, from the earliest chapter onward.
- Season 4 · Episode 01
A Good Treason
Ragnar’s illness leaves others making decisions about loyalty, succession and punishment. Bjorn acts against Floki, while Rollo commits himself to his Frankish future.
Read the episode guide - Season 4 · Episode 04
Yol
Aslaug entrusts Ivar’s religious teaching to Floki. Yidu gives Ragnar a substance that produces hallucinations. Harald arrives during the celebrations and announces his aim to become king of all Norway.
Read the episode guide - Season 4 · Episode 08
Portage
Ragnar proposes moving the ships overland around the forts. His tactical invention sits beside personal violence and political removals that make this an unusually consequential episode away from the battlefield.
Read the episode guide - Season 4 · Episode 09
Death All 'Round
The overland operation returns the fleet to the water, while private losses and coercion continue around it. Ragnar finally states how personal his objective in Francia has become.
Read the episode guide - Season 4 · Episode 10
The Last Ship
The brothers meet in a costly river battle that ends in Frankish victory. A major time jump then reveals a transformed Kattegat and a family ready to question Ragnar’s legacy.
Read the episode guide - Season 4 · Episode 11
The Outsider
Ubbe answers Ragnar’s challenge with an embrace. Bjorn intends to sail toward the Mediterranean, Hvitserk will accompany him, and Ubbe and Sigurd remain responsible for Aslaug and Kattegat.
Read the episode guide - Season 4 · Episode 12
The Vision
Lagertha joins Aslaug in ritual for their sons but declares her lasting grievance. Ragnar thanks Aslaug for allowing their sons to love him. Ivar rejects her warning, and the English-bound ships encounter a violent storm and capsize.
Read the episode guide - Season 4 · Episode 13
Two Journeys
Ragnar and Ivar kill the remaining companions of their small party, then surrender themselves in Wessex. Lagertha confines Ubbe and Sigurd before attacking Kattegat and challenging Aslaug’s rule.
Read the episode guide - Season 4 · Episode 14
In the Uncertain Hour Before the Morning
Aslaug renounces the queenship and asks to leave safely. Lagertha shoots her as she walks away. Ubbe attempts to retaliate but is overpowered, and Astrid warns the brothers against attacking Lagertha.
Read the episode guide - Season 4 · Episode 15
All His Angels
Ælle tortures Ragnar and drops him into a pit of snakes. His final public speech invokes Valhalla. Ivar returns to Kattegat with news of the death and learns that Lagertha has killed Aslaug.
Read the episode guide
Memorable scenes
The warning before Ivar sails
Season 4, episode 12
Aslaug describes a vision of disaster and tries to stop Ivar joining Ragnar. He chooses the voyage despite her warning. Their disagreement makes the limits of maternal protection visible before the storm capsizes the ships.
Why this moment matters
The warning gives Aslaug knowledge she cannot turn into obedience. Ivar’s decision is therefore not merely an adventure accepted; it is a refusal of the protection that has shaped much of his life. Ragnar’s presence makes the departure especially charged, since the son’s pursuit of paternal recognition takes him beyond the future his mother can imagine keeping safe.
A queen gives up the title
Season 4, episode 14
Facing Lagertha’s takeover, Aslaug renounces her position and asks for safe passage. She is killed while walking away. The surrender attempts to separate the person and her sons from the struggle for a throne, but cannot control the response it creates.
Why this moment matters
Aslaug tries to make renunciation a boundary: the title can be lost while the person walks away. The arrow reveals that the conflict cannot be contained by that distinction. Her sons will inherit the event as the killing of their mother, which means that Lagertha’s account of taking power cannot determine the only meaning the surrender will have.
Why fans keep talking
Aslaug is often judged through her place in Ragnar and Lagertha’s broken marriage, which can crowd out her importance as a ruler and mother. The strongest objections concern a different set of choices: favoritism toward Ivar and the response to young Siggy’s death. Defenses challenge the imbalance of blame without requiring those scenes to be dismissed. Her warning before the voyage and surrender in Kattegat expose the limits of both forms of authority she possesses. She can anticipate or negotiate, but cannot make the people she addresses accept her terms.
What resonates
Her defenders want the same complexity and allowance for flaws that Ragnar receives. They question why responsibility for the family’s failures so often falls more heavily on her.
What divides viewers
Her response to young Siggy’s death, favoritism toward Ivar and limited independent story development are recurring points of frustration.
Character gallery
The world behind the character.
What was life like for women beyond the battlefield?
The most useful history extends beyond a warrior’s career. Household authority, textile production, marriage, assembly politics and enslavement reveal different kinds of power, work and constraint.
Keep the distinctionLagertha’s screen career is a prompt for historical questions, not evidence that every woman had the same rights or opportunities.
Who plays Aslaug?
Alyssa Sutherland portrays Aslaug.
A Brisbane native, Sutherland began modelling at 15 before moving into screen acting. Her film work includes The Fortune Theory, Don’t Look Up and Day on Fire, while her television appearances include Law & Order: Special Victims Unit and New Amsterdam.