Stana Katic (/ˈstɑːnə ˈkaetɨk/ ; ˈkætɨk born 26 april) 1978 is A-Canadian american film and television actress Of Croatian serb. Descent she Plays Detective Kate beckett on THE abc Series. castletana Katic (/ˈstɑːnə ˈkaetɨk/ ; ˈkætɨk born 26 april) 1978 is A-Canadian american film and television actress Of Croatian serb. descent