Moon Chae-Won was first offered the lead female role, but declined.
Ha Baek means literally "Water God" from Chinese characters.
Based on manhwa/webcomic "Habaekui Shinboo" (Bride of the Water God) by Yoon Mi-Kyung (published from May 7, 2012 to December 11, 2014 via cartoon.media.naver.net).
First script reading took place March 16, 2017 at CJ E&M Center in Sangam-dong, Seoul, South Korea.
"Bride of the Water God 2017" takes over the tvN Mondays & Tuesdays 22:50 time slot previously occupied by "Circle" and followed by "Argon" on September 4, 2017 .