Actor Song Il Kook�and his triplets will join�'Superman is Back' following the news of the leave of a few families recently.

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According to a Star News exclusive on the 25th, Song Il Kook has already completed his first filming for 'Superman is Back' on the 16th along with his triplets Dae Han, Min Guk, and Man Se (2 years old). The show's PD Kang Bong Kyu also confirmed this new addition to the 'superman' cast.

A rep stated, "Song Il Kook is the type to normally carry out his duties tacitly so we didn't know he would be this detailed when it comes to raising his sons... We were surprised by how comfortable he is with raising his sons."

Song Il Kook is reported to make his entrance on 'Superman is Back' on July 6!