Kim Ha-neul is a South Korean actress. After starting her career as a model, she rose to fame by starring in the films Ditto (2000), My Tutor Friend (2003), Too Beautiful to Lie (2004), and My Girlfriend Is an Agent (2009). In 2011, Kim won Best Actress at the 48th Grand Bell Awards and the 32nd Blue Dragon Film Awards for her performance in the serial killer thriller Blind. Her television work includes Romance (2002), On Air (2008), A Gentleman's Dignity (2012), and 18 Again (2020).

Ditto is a 2000 South Korean science-fiction romance film directed by Kim Jung-kwon. Two students in the same school, one in 1979, the other in 2000, are somehow able to talk to each other using amateur radio.