Ksenia made her theatre debut at age five, and at age 10, she landed her first guest-starring role on the popular kids' Canadian series, I Was A Sixth Grade Alien, playing alien princess Xhanthippe alongside Michael Cera. Since then, Ksenia has starred in numerous films and television shows, including the lead role of Zoey Jones in the 2003 television series Renegadepress.com. The hard-hitting drama dealt with the challenging real issues of teenage life. Ksenia's abilities were recognized at age 18, when she became the first-ever winner of two consecutive Gemini Awards for 'Best Performance In A Youth Television Series' in both 2005 and 2006.
Over the next four years, Ksenia studied acting, film directing and photography, and appeared in numerous American television shows including Cold Case, The Cleaner, Moonlight, Earth Final Conflict, Kojak, I Love Mummy and 1-800 Missing. 2009 was a busy year for the Canadian actress. After an international search, Ksenia was handpicked by Darren Aronofsky (The Wrestler, Requiem for A Dream) to play the beautiful yet cruel nemesis, Veronica, to Natalie Portman's Nina in the film Black Swan. She then starred opposite John Cusack in the dark thriller, The Factory, portraying a young prostitute and mother. Following shortly after, the CW's new hit show Life UneXpected offered Ksenia the role of Natasha, the street-smart foster teen with a big heart yet troubled life. When Life Unexpected ended, Ksenia joined the cast of the sci-fi/fantasy TV show Lost Girl in the role of Kenzi, an accomlished thief with an interlect that could rival Sherlock Holmes. Kenzi has a keen eye for fashion and a fierce sense of humor and is one of the few human characters on Lost Girl which is about a race of supernatural beings known as the Light and Dark Fae. Despite Kenzi's lack of Fae powers she couragously defends and supports her best friend Bo (Anna Silk), who is an unaligned Fae Succubus and lead character of the show.