Ha Yeon-Joo is a South Korean actress. She is also a member of Mensa International.

Miss Granny is a 2014 South Korean fantasy comedy-drama film directed by Hwang Dong-hyuk. Na Moon-hee stars as a woman in her 70s who magically finds herself in the body of her 20-year-old self after having her picture taken at a mysterious photo studio. After opening in theaters on January 22, 2014, it became a huge box office hit, with 8.65 million tickets sold.