W.H.Y.: What Happened to Your Relationship Besetzung & Crew

Jung Gun-jooCha Yeon-wu

Oh Ah-yeonSong Da-in

Yoo Dong-gukOh Seul-gi

Hwang In-yeopGi Jae-young

Lee Ji-wonLee Han-na

Lee So-heeYeo Ju-hyun

Kim Young-jae[Dain's ex-boyfriend]

Choi Hee SeungKim Min Woo (Ep. 2) | Guest Role

Im Hwe JinKwak Jun Mo (Ep. 2) | Guest Role

Park Dan-heeRegie

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