Han Ji-eun and Park Hae-jin are building Smile while looking at Park Ki-woong during rehearsal
About Han Ji-eun
Han Ji-eun is a South Korean actress. She made her acting debut in 2010 in the film Ghost. She is known for her work in both film and television including Real, Rampant, 100 Days My Prince, Be Melodramatic, and Lovestruck in the City.
 Wikipedia