Tracer: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Tracer Drama, Mystery 1/7/22 – 2/26/22 GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Im Si Wan as Hwang Dong Joo Go Ah Sung as Seo Hye Young Son Hyun Joo as In Tae Joon Park Yong Woo as Oh Young