She also starred in the films Amusement (2008), Choose (2010), A Glimpse Inside the Mind of Charles Swan III (2012), The Art of the Steal (2013), Polar (2019), and The Marksman (2021).

[9] Winnick entered the film industry by teaching martial arts to actors on movie sets; the experience inspired her to pursue professional acting.

[5][12] In July 2017, Winnick stated on her Twitter account that she had been cast for a role in what was thought to be a film project, and that it would be announced at San Diego Comic-Con.

[13] She was later revealed to be cast as a main character in the Nazi Zombies mode of the video game Call of Duty: WWII.

[15] In February 2020, Winnick was announced to play the starring role of Jenny Hoyt on the ABC crime drama series Big Sky.

[18][19] In November 2022, the Russian Ministry of Foreign Affairs banned Winnick from entering Russia, as well as 99 other Canadians, in response to international sanctions.