<Ul> <Li> Played by Gabriel Byrne (season 1) </Li> </Ul> <Li> Played by Gabriel Byrne (season 1) </Li> <P> Ragnar's predecessor as Earl of Kattegat and husband of Siggy . He grows to resent Ragnar's ambitions to raid the West, and sees Ragnar's growing popularity as a threat to his rule . He is killed by Ragnar during personal combat . </P> <Ul> <Li> Played by Alyssa Sutherland (seasons 1--4) </Li> </Ul>

Who plays the queen of mercia in vikings