Actor Kim Sung Soo showed the real training video of the movie "R2B: Return to Base" on YTN "News N Issue - Issue N People" on Thursday. R2B gained alot of interest since Yoo Jun Sang passed out two times during the training, and finally managed to succeed on the third try.

Also, the scene where the trainer passed out made the audience surprised. Anchors asked if he was Jung Ji Hoon and Kim Sung Soo replied that it wasn't him.

On the other hand, Kim Sung Soo acted for the movie "R2B: Return to Base."

Photo Credit: YTN