How old were the actors in Kite (2014)?

When Sawa's mother and policeman father are found victims of a grisly double homicide, she begins a ruthless pursuit for the man who murdered them. With the help of her father's ex-partner, Karl Aker, and a mysterious friend from her past, she becomes a merciless teen assassin, blasting her way through the dark world of human trafficking only to uncover a devastating truth