Katic started a project in 2010 called "The Alternative Travel Project".[41] She lives in and shoots Castle in Los Angeles. Katic speaks English, Serbian, Croatian, French, Italian and Slovenian fluently.[42]
Katic wrote the lyrics for "Hey Blue Eyes", which she sang for fans at the 51st Zlín Film Festival in 2011.[43] She holds dual citizenship in Canada and the United States.[44]