Her full name is Ragnheiður Ragnarsdóttir. Her acting name is Ragga Ragnars.
She is 6’2, Icelandic, a former Olympic swimmer.
In Vikings Season 5, she is nothing short of magnificent as Gunnhild, the Viking warrior who stands toe-to-toe with the formidable Björn Ironside, and she is 100% not putting up with his bullshit.
** Spoilers Vikings Season 5