About Isaac O'Sullivan
Isaac O'Sullivan’s other television credits include Young Boy in Ripper Street; Venetian Prince Regent in The Borgias.
Selected screen credits
Ripper StreetYoung Boy · 2016
The BorgiasVenetian Prince Regent · 2011
Isaac O'Sullivan in Vikings
The portrayal
Alfred
Isaac O'Sullivan portrays Alfred in Vikings.
Alfred is Judith and Athelstan’s son in the drama, raised within Wessex’s royal household and eventually placed at the center of its future.
Follow the character’s journey, loyalties and place in the wider saga.
Explore Alfred’s story