Innocent Witness () is a 2019 South Korean legal drama film directed by Lee Han, starring Jung Woo-sung and Kim Hyang-gi. The film was released in South Korea on February 13, 2019.
The story follows the relationship between a lawyer and an autistic student. Soon-ho is an attorney who needs to pay his father's debt. One day, he is engaged to deal with a murder case: Mi-ran, a housekeeper accused of murdering her employer. Mi-ran claimed that she found her employer dead in his own room. The only witness in this case is an autistic high school student named Ji-woo. To convince Ji-woo to attend the trial as a witness, Soon-ho decides to meet her, and befriends her in order to prove her testimony was false.
Principal photography began on July 7, 2018, and wrapped on October 10, 2018.