Oh! My Gran A man's daughter is the victim of a brutal hit-and-run car accident. The only witness is the man's dementia-ridden old mother who barely remember any details. The two must work together to find the culprit. Details Casts Videos Galleries Posters Title Oh! My Gran Release Date 2020-09-02 Runtime 01 Hours 49 Minutes Genres Drama Comedy Production Companies CGV Arthouse, Big Stone Pictures Production Countries South Korea Na Moon-hee... Moon-hee... Lee Hee-jun... Du-won... Choi Won-young... Detective Kang... Park Ji-young... Director Song... Jeon Bae-soo... Mr. Han... Kim Yae-eun... Han Jae-sook... Kim Sun-kyung... ... Kim Jung-young... ... Kim Hak-seon... ... Choi Gwang-il... Doctor... Park Ye-chan... Young Du-won... Oh! My Gran (2020) (Trailer) Original Size (1997x1123) Original Size (2000x1125) Original Size (1999x1124) Original Size (1343x1913) Original Size (500x750) Original Size (1403x2000) Original Size (1400x2100) Original Size (960x1440) Original Size (960x1440) Original Size (1793x2560) Original Size (1382x2048)