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.
Jonathan Rhys Meyers - Bishop Heahmund
Jonathan Rhys Meyers is an Irish actor, well known for his roles in films that include Velvet Goldmine, Match Point, Bend It Like Beckham, and Mission: Impossible III. He also appeared on television as Elvis Presley in the miniseries Elvis.
His performance on the series actually earned him a Golden Globe Award for Best Actor - Miniseries or Television Film. His dashing looks also brought him to be the face model for a number of Hugo Boss fragrances campaigns.
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.
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.
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.