In 2010, Park starred in the low-budget romantic comedy film Cyrano Agency, which revolved around a dating agency that helps its customers win the hearts of the people they desire. The sleeper hit became a critical and commercial success, attracting 2. 7 million admissions nationwide, becoming the 8th best selling film of the year. Park won the "Most Popular Actress" award in film category at the Baeksang Arts Awards. Park also voiced the main character of the animation film Green Days: Dinosaur and I, which premiered at the 15th Busan International Film Festival and received positive reviews.