Quiz

Dong-Hyuk Kim's screenplay won the grand prize at the 2010 Korean Scenario Contest held by the Korean Film Council.

Baek Yoon-shik and Kim Hye-su previously co-starred to Tajja (2006).

Lee Jung-jae and Kim Hye-su previously co-starred to The Thieves (2012).

The film is the first installment of Jupiter Film's three-part film project on the Korean fortune-telling traditions, follows by The Princess and the Matchmaker (2018) and Feng Shui (2018).

Director Han Jae-rim and Song Kang-ho's two consecutive collaboration, also reunion in 6 years.