"I was so nervous because it was my first film, but the script was so interesting and it was so much fun", said the TV heartthrob who was a member of defunct boy group ZE:A - Children of Empire.
"The character is a very curious person who is determined to see things through until the end. He resembles me a lot, so I really wanted to do it".
Park is due to start his mandatory military service in military police on June 10.
"I don't have any special wish that somehow this should leave a lasting impression on viewers just because it will be my last project before the draft", he said. "But I hope people enjoy watching it and the warm message the film conveys makes them happy".
"Juror 8" is about eight ordinary people who are randomly selected for jury service in Korea's very first jury trial in 2008.
It will be released on May 15.
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