Katheryn Winnick (born December 17, 1977) is a Canadian film and television actress. Winnick won silver medals at the Canadian National tae kwon do finals. She is a third dan black belt in tae kwon do and a second dan black belt in karate. She is also a licensed bodyguard. Winnick has appeared in numerous studio films including Paramount's Failure to Launch (with Matthew McConaughey) and New Line's Amusement. She has also guest starred in multiple critically acclaimed television shows including House M.D. ('One Day, One Room'), Law & Order, CSI and Criminal Minds. Winnick appeared on the Fox drama Bones as Hannah Burley, a war correspondent, who had been posted to Afghanistan, and a love interest for Special Agent Seeley Booth.