After graduating from the professional program, Winter moved to Los Angeles. She appeared in the 2007 film Sex and Death 101 as Alexis, the fast food beauty. She held the main role of legendary Libuše in the 2009 Czech film The Pagan Queen. Winter gained further international recognition with her main role as Lyla Winston on the hit American TV series Sons of Anarchy. She posed nude in Playboy magazine's March 2011 edition, commenting that "nudity is not a Problem for [her]."
In 2016, Winter starred in the feature film Deserted (2016 film) opposite Mischa Barton, Jackson Davis, Trent Ford, Dana Rosendorff, Lance Henriksen, Jake Busey and Gerry Bednob. The film is a psychological thriller about a group of friends on a road trip to a music festival in "Death Valley - which results in getting them hopelessly lost in the most stunning, but unforgiving topographical terrain on the planet".
