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 godlike aliens descend upon Earth for fifteen years after the destruction of the moon to kill the remnants of mankind, a suicidal teenage boy is drafted into a military organization under the command of his distant father to fend off the invaders through the use of machines that can only be commandeered by those under the age of 25.
