Actor On Joo Wan guested on JTBC's 'Please Take Care of My Refrigerator' on September 19, where his past as a well-known dance instructor was revealed.

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The MCs unveiled the fact that he was known to have taught a lot of idols, namely TVXQ's Yunho, who is known to be a dance king in K-Pop!  A shy On Joo Won said, "About that... it is true, but..." and then the MCs immediately asked him for a display of his amazing skills!

You can see his moves above!  He's not only a talented actor but also a smooth dancer!