Katheryn Winnick first appeared in an episode of ‘PSI Factor: Chronicles of the Paranormal’ (1999). A recurring role in the series ‘Student Bodies’ (1999) resulted in more series assignments and roles in movies, including ‘Biohazardous’ (2001).
Other series Winnick has appeared on include ‘Law & Order: Criminal Intent,’ ‘CSI: Miami,’ ‘1-800-Missing,’ ‘CSI: NY,’ ‘Criminal Minds,’ ‘House,’ ‘The Gates,’ and ‘Nikita.’
Winnick featured in such films as ‘Two Weeks’ Notice’ (2002), ’50 First Dates’ (2004), ‘Cloud 9’ (2006), ‘Failure to Launch’ (2006), ‘Cold Souls’ (2009), ‘Killers’ (2010), ‘Love & Other Drugs’ (2010), and ‘Stand Up Guys’ (2012).
In 2010-2011, Winnick appeared in a recurring role in the series ‘Bones.’ Next, she starred in comedy-films ‘A Glimpse Inside the Mind of Charles Swan III’ (2012), and ‘The Art of the Steal’ (2013).
Winnick appeared as ‘Lagertha’ in the hit historical-drama series ‘Viking’ (2013-2020) which brought her acclaim. She appeared in a regular role on Netflix’s ‘Wu Assassins’ (2018). She also starred in the action-thriller movies ‘Polar’ (2017), ‘Wander’ (2020), and ‘The Marksman’ (2021). She plays the lead in the crime-thriller series ‘Big Sky’ (2020--)
Winnick directed one episode each of ‘Vikings’ and ‘Wu Assassins.’