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Actress Kyung Soo Jin, who plays rhythmic gymnast Song Shi Ho, trained for 3 months to prepare for her role. She looks like she's mastered twirling the ribbon! 

Meanwhile, Nam Joo Hyuk and Lee Jae Yoon play siblings in the drama - Nam Joo Hyuk, a current swimmer in training, and Lee Jae Yoon, a former swimmer who now works with obesity consultations. They look like real brothers, don't they?

'Weightlifting Fairy Kim Bok Joo', also starring Lee Sung Kyung, premieres this November 16!