Kdrama Actors Who Are Best Friends

Actor Lee Tae Sung became friends with JYJ singer and actor Park Yoo Chun when the two played time-traveling enemies in "Rootop Prince."

"I became close to Yoochun gradually," said Lee. "But it was as if I had always known him."

They grew closer when Lee consoled Park after his father's death, then they shared stories of common experiences such as spending time in Japan.

"It's not always easy to make friends on a drama set and even if you do, it's not always easy to keep a friendship going," said Lee.

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