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.
Protagonist David Jones and his analyst Anya learn that a Russian Arms dealer named Josef Priboi had been kidnapped by Russian Mafia and imprisoned in a Military Airbase. He was later moved to another prison. After rescue Josef admits that his uncle Jach is selling a nuclear warhead to someone.
