Cathy White – Ealhswith
Ealhswith is the mother of Judith, Ecgberht, and Bjaela, and wife of King Aelle.
She is first introduced on the show in Season 1, accompanying King Aelle and Acgberht in welcoming Aethelwulf, Aelle’s brother who eventually is given the responsibility of leading King Aelle’s army against the Northmen.
Karima McAdams - Kassia
Kassia is a nun and abbess in Constantinople. Appearing to already be of noble birth, Kassia was raised in a wealthy family and grew up to be exceptionally beautiful and intelligent.
Though she entered a commitment of being celibate as a nun, she still develops a secret affair with Amir Ziyadat Allah.
Karima McAdams - Kassia
Karima Adebibe, or more famously known as Karima McAdams, is a Moroccan-English actress and fashion model. Though she was born in England, she actually started her modeling career growing up in Morocco. This paved the way for her to be selected as one of the models for Lara Croft in the widely renowned video game series, Tomb Raider.
Aside from her appearance on Vikings, Karima is also most recently seen in the shows, Fearless and Deep State.
Cathy White - Ealhswith
Cathy White is a talented actress originally from Belfast. She first had her acting experience training in the Guildhall School of Music and Drama in London.
Amongst her other theatre works, she became a regular at both the Peacock Theatre and the Abbey Theatre when she moved to Dublin. White is also seen in films, including Veronica Gerin, Albert Nobbs, and The General.
Jasper Pääkkönen - Halfdan the Black
Halfdan the Black was the brother of King Harald. He was considered to be an impressive warrior who was equipped with both a sword and an ax during battle.
His character is first introduced in Season 4 as he arrived in Kattegat, along with the rest of King Harald’s ships and warriors.