Action star Donnie Yen attended the Hong Kong Derby on Wednesday with his younger sister, would-be action star Chris Yen.
According to a report on The Straits Times. he said his sister - who had small roles in movies including girl group Twins' 2004 comedy Black Rose Academy - had joined his production company and would be filming soon.
"It's tough to find an action heroine for a movie. She surpasses a lot of people at martial arts."