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.
The paths of vigilantes Green Arrow and Black Canary cross when a new drug arrives in Star City: Vertigo. Deeper in the shadows, a conspiracy arises involving a member of the League of Assassins, Malcolm Merlyn.
