One Ordinary Day: Cast One Ordinary Day Drama, Legal 11/27/21 – 12/19/21 GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Kim Soo Hyun as Kim Hyun Soo Kim Soo Hyun as Kim Hyun Soo Cha Seung Won as Shin Joong Han Cha Seung Won as Shin Joong Han