Katheryn Winnick
Katheryn Winnick is a martial arts gem in the acting profession. Her ass-kicking abilities were well-honed before she entered the industry, as she received her first black belt at the age of 13. Winnick had three martial arts schools up and running by the time she was 21. The Vikings star focuses in taekwondo and karate, and she holds black belts in both disciplines.
Katheryn Winnick
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