If she could tail any of her fellow cast members in the movie Cold Eyes, Korean actress Han Hyo Joo says that it would be singer Lee Jun Ho of boyband 2PM.
She adds with a laugh: "In the hope that by looking at him and following him, I can get a glimpse of the other 2PM members."
The boyish-looking Lee, who says he "learnt a lot from this movie, thanks to the help from the senior actors", hopes his singing career will not overshadow his big-screen debut.
"I hope 2PM fans will look at me as a new actor just making his debut instead of as a singer," says the 23-year-old.
As a member of the popular boy band, which made their debut in 2008, he would be familiar with the theme of his first movie: stalking, except he, who plays a cop in a police surveillance team, is doing the stalking on the big screen instead of being trailed by fans.
Cold Eyes is a remake of the acclaimed Hong Kong film Eye In The Sky (2007), which earned seven nominations at the Hong Kong Film Awards, winning two (Best New Director for Yau Nai Hoi and Best New Artist for actress Kate Tsui). It opens here on Thursday.
Han, 26, plays a rookie in the surveillance team and award-winning actor Seol Kyung Gu, her gruff leader. They are after the elusive ringleader portrayed by top actor Jung Woo Sung. Han, Jung and Lee, along with writer-director Cho Ui Seok, were in Singapore last Friday to promote the film.
Bachelor Jung, 40, focuses on the positive uses of surveillance. If he were to do it, he says, it would be "maybe at the door of a girlfriend's house - when- ever she walks in and out, there could be danger waiting for her. Just for her safety".