the 2010 science fiction film Inception and his own experiences with lucid dreaming. When asked what drew him to the production, lead actor Go Soo stated, "I enjoyed its lightweight feel, like reading a sci-fi novel...But I got nervous and had sweaty hands after reading through it. So I told the director that I wanted in although I was not that good at acting." Go Soo gained 10 kg, and later lost more than 18 kg, in order to physically portray the state of his character before and after he loses his son. Principal photography began on April 6, 2015. Filming concluded on June 29, 2015 in front of Namhae Catholic Church in Gyeongju, Gyeongsangbuk Province, South Korea. Release The film was originally scheduled for release in the fall of 2016. However, it was widely reported that the film was delayed due to the sexual assault and rape allegations that surfaced in June 2016 against actor and K-pop star Park Yoo-chun. A staff member of the production confirmed this, saying, "We had to wait until Park was free from the charge and reschedule the date." However, Kim Joon-sung denied this, stating, "It took longer than expected to complete the film because it has lots of computer graphics, which delayed the release." When asked why none of Yoo-chun's scenes were cut in the wake of the controversy, Joon-sung said, "I didn't because his is a character who provides the decisive clue in the story." Lucid Dream was released theatrically in South Korea on February 22, 2017, distributed by Next Entertainment World. Prior to the film's theatrical release, the American entertainment company Netflix acquired the rights to distribute Lucid Dream worldwide. Vice President of Communications for Netflix Asia, Jessica Lee, said, “We are looking forward to ‘Lucid Dream’ becoming a movie that’ll receive great love from audiences all around the world through Netflix”. On June 2, 2017, Netflix branded Lucid Dream as a "Netflix Original" and released the film on its digital streaming platform in 190 Netflix-serviced countries. Reception The film grossed $676,598 USD on a $5 million USD budget and was considered a box office bomb in South Korea. Critic Min-Ji Jin of Korea JoongAng Daily wrote that, "Despite the original subject and star-studded cast, the science fiction thriller 'Lucid Dream'...fails to make full use of either." Jin said the plot and characterization were weak, believed the twist ending was forced,