Home People Jeong Yu-mi Jeong Yu-mi movies Jeong Yu-mi movies Jeong Yu-mi Movies (6) The Tunnel (2014) As Eun-joo. She was 30 years old Love On-Air (2012) As Nan-Seol. She was 27 years old You Are My Pet (2011) As Lee Young-Eun. She was 27 years old Hwang Jin Yi (2007) As Yi-geum. She was 23 years old The Secret Within Her Mask (1969) As Jeong. Innocent Steps (2005) As Oh Mi-soo. She was 21 years old