Oh Jung-se plays the role of Kim Soo-hyun’s psychiatrist in the first episode.
The duo previously worked in the 2020 series It's Okay To Not Be Okay.
Kwak Dong-yeon essays the role of Kim Ji-won’s younger brother in the series.
The two were seen in the 2017 romance drama Fight For My Way.
Queen of Tears also features Kwak Dong-yeon and Kim Soo-hyun's reunion.
They made a joint appearance earlier in It's Okay To Not Be Okay.
Na Young-hee playing Kim Ji-won’s on-screen mother is winning hearts.
Viewers will remember her from My Love from Another Star, also starring Kim Soo-hyun.
Ko Kyu-pil and Lim Chul-soo’s reunion made K-drama lovers nostalgic.
Recall the time they joined forces in Crash Landing On You?