Actor Jung Woo Sung has participated in the upcoming documentary film, 'Intention' or 'That Day, Ocean' (literal translation), by volunteering his voice.

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It's been reported that the actor provided narration for the film and will help viewers gravitate and focus on the film through his sincere, deep voice. 'Intention' is a documentary which gathers facts and analyzes data in an attempt to uncover the cause of the incident that took place on April 16, 2014. Through science and a strong foundation of computer graphics, they will be reproducing the event place to discover the source of the sinking.

The film is set for release this upcoming April.