Jung Woo-Sung was interviewed by News 1 on December 16. It is said that Jung Woo-sung will direct the film "Guardian" while also playing the lead role. The movie will start filming in the first half of 2020.

A representative from C-Jes Entertainment said, "All actors including Kim Nam-Gil and Park Sung-Woong are still reviewing the script and have not confirmed their roles yet." Kim Nam-Gil is also negotiating for a role in the upcoming movie "Shipbuilding Firefighter," which is also scheduled to film early next year.

Meanwhile, Jung Woo-sung made his directorial debut in 2014 with his short film "Old Man in Front of Killer." The film is about the process of killing a murderer while executing an operation.

"Guardian" is the first film directed by Jung Woo-Sung for the first time while playing the lead role. It's an emotional action film about a man who struggles to protect the one person he has left in his life.