Katheryn Winnick (born December 17, 1977) is a Canadian actress. She is known for her starring roles in the television series Vikings, Wu Assassins, Big Sky, and her recurring role on the television series Bones.
When the newly crowned Queen Elsa accidentally uses her power to turn things into ice to curse her home in infinite winter, her sister Anna teams up with a mountain man, his playful reindeer, and a snowman to change the weather condition.
