On Person of Interest, Reese needs to protect a bounty hunter named Frankie Wells. The problem with Frankie is that she “refuses to let the potential threat to her life deter her from the relentless pursuit of her target.” Frankie’s not only tough and clever but she's gorgeous, too. Sparks will fly between Frankie and Reese.
The unrelenting bounty hunter is portrayed by Canadian actress Katheryn Winnick. She's perfect for the very physical role. In real life, Winnick has a third-degree Black Belt in Tae Kwon Do, a second-degree Black Belt in Karate, and is a licensed bodyguard. She’s best known for her current role as Lagertha in Vikings on The History Channel and as Hannah Burley on Bones.
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