All 123 Woo-Jin character appeared in this film.
Based on the 2012 American social film The Beauty Inside (2012), about a man who wakes up everyday in a different body.
A total of 21 key actors play the main lead.
The furniture company that Woo-jin founded is called ALX. Alex is the name of Woo-jin's character in the original mini-series The Beauty Inside (2012).