Ditto (Korean: 동감; RR: Donggam) is a 2022 South Korean science fiction romantic drama film written and directed by Seo Eun-young, starring Yeo Jin-goo, Cho Yi-hyun, Kim Hye-yoon, Na In-woo and Bae In-hyuk. Remake of the 2000 film of the same name, it depicts story of love and friendship that takes place when a man and woman living in different time periods, communicate through a ham radio by chance. It was released theatrically on November 16, 2022.