Who plays Alfred in Vikings?
Alfred is played by Ferdia Walsh-Peelo, Isaac O'Sullivan and Conor O'Hanlon in the original Vikings series.
Explore family, allies and rivals or follow the story sections below.
Cast references: Ferdia Walsh-Peelo · Isaac O'Sullivan · Conor O'Hanlon.
Explore King Alfred’s story
A child with political meaning
Ecbert protects Judith after she identifies Athelstan as Alfred’s father. The boy’s education and later journey to Rome reflect the importance Ecbert attaches to him.
The ruler and the settlers
Alfred becomes king after Aethelred declines the crown. His arrangements with Ubbe and the displaced Norse join military cooperation, baptism and the possibility of land.
The last English campaign
He resists Ivar’s final invasion and later sponsors Hvitserk’s baptism. Alfred’s story tests how learning and compromise can serve a kingdom under threat. Keep the drama’s parentage and compressed succession separate from the historical Alfred’s biography; the show is adapting historical material rather than reproducing a documentary family tree.
Relationships & loyalties
Memorable scenes
A child protected at court
Season 3, episode 6
Judith’s revelation identifies the newborn Alfred as Athelstan’s son, and Ecbert halts her punishment. The scene establishes how deeply royal preference and religious significance will shape his place in the household.
Why this moment matters
Ecbert’s intervention gives Alfred protection before the child can exercise any agency of his own. The royal household attaches religious and emotional meaning to his parentage, creating expectations that precede his abilities. The scene matters because his later authority grows from a preference already established during an episode in which his mother’s physical safety is precarious.
Receiving Ubbe and Torvi’s commitment
Season 5, episode 13
The public baptism of his Norse allies gives Alfred’s settlement arrangement a visible religious expression. Their cooperation offers a different use of royal power from treating every Norse visitor as an enemy to destroy.
Why this moment matters
The baptism gives an uncertain political agreement a public form that Alfred’s court can recognize. Ubbe and Torvi accept a condition of belonging, while Alfred gains allies capable of defending the kingdom. The ceremony’s hopeful meaning therefore rests on a practical bargain: religious reconciliation is being asked to support a shared future in land and security.
Why fans keep talking
Alfred’s friendship with Ubbe offers a form of continuity that does not depend on repeating every earlier conflict. The attraction lies in watching two heirs use negotiation and learning to pursue something more durable than another raid. Wanting more time for that relationship is understandable because it contains difficult questions the ceremony cannot finish: what compromise costs, whose traditions define the agreement, and whether mutual respect survives when cooperation stops being convenient.
What resonates
His friendship with Ubbe is a highlight for viewers who wish the series had spent more time on that relationship.
Character gallery



The world behind the character.
How did Alfred’s Wessex survive?
Alfred’s defeat of Guthrum at Edington in 878 was followed by negotiation and baptism. Wessex survived, while Scandinavian power continued elsewhere. It was a turning point within a long struggle for rule.
Keep the distinctionThe series’ household relationships and compressed chronology are not a map of Alfred’s documented reign.

Who plays King Alfred?
Ferdia Walsh-Peelo portrays King Alfred.
Ferdia Walsh-Peelo’s work beyond Vikings includes Conor 'Cosmo' Lawlor in Sing Street (2016); Rez in Here Are the Young Men (2020); Miles in CODA (2021); Nick Kent in Pistol (2022).
Alfred and the historical evidence
Historical king; parentage changed for the screen. HISTORY's character account identifies the television affair behind Alfred's birth. It is a screen storyline. Use the historical royal family and chronology when following the politics of Wessex.
Compare the screen character with the sources




