 After spending time in 2002 directing a series of music videos and appearing in a large number of commercials, Jung took on the eccentric lead role in "Mutt Boy", the fifth film by director Kwak Kyung-taek.Jung's next roles would be in highly romantic roles that played off his established screen image.In the box office hit "A Moment to Remember" he played an architect whose wife (played by Son Ye-jin) is diagnosed with early-onset Alzheimer's disease and in the Netherlands-set "Daisy", he played a hired assassin who falls in love with a street artist played by Jun Ji-hyun.