 She began her acting career in the sitcom "Nonstop 5" and the gangster comedy film "My Boss, My Teacher".Han later raised her profile by starring in "Spring Waltz", the fourth and final installment of TV director Yoon Seok-ho's "season drama" series.In 2006, director Lee Yoon-ki cast Han in the starring role in his low-budget independent film "Ad-lib Night", which follows a young woman who rediscovers herself through an eerie overnight encounter with strangers.