Rollo (Clive Standen)
Rollo, Ragnar’s brother, is impulsive, wild, care-free and compulsive. Rollo is a fierce fighter who is often overshadowed by his brother. The relationship between Rollo and Ragnar is intense and always unpredictable. Ragnar can never be certain of his brother’s loyalty, but is always extremely grateful to receive it, for Rollo is a formidable warrior.