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.
Two warring factions from the planet Cybertron, The heroic Autobots led by Optimus Prime and the evil Decepticons led by Megatron flee their dying homeworld and take refuge on planet Earth, where they assume vehicle modes to stay hidden from humans as their age-old conflict rages on.
