TRAVIS FIMMEL AS RAGNAR
KATHERYN WINNICK AS LAGERTHA
NATHAN O'TOOLE AS BJORN RAGNARSSON
RUBY O'LEARY AS GYDA RAGNARSDOTTI
AMYBETH MCNUTLY AS REKKA ROLLOSDOTTI
CLIVE STANDEN AS ROLLO
JESSALYN GILSIG AS SIGGY
GUSTAF SKARSGÅRD AS FLOKI
MAUDE HIRST AS HELGA
GABRIEL BYRNE AS EARLHARALDSON
GEORGE BLAGDEN AS ASATHELSTAN
DONAL LOGUEAS KINGHORIK
ALYSSA SUTHERLAND AS PRINCESS ASLAUG