ट्रिविया

In one of the episodes, Goblin (played by Gong Yoo) is screaming over a movie. The movie he is screaming over is actually his own movie Train to Busan (2016).

The series was the 3rd highest-rated drama in Korean cable television history at the time it aired.

The crew was awarded a special vacation to Phuket, Thailand after the end of the drama.

'Stay with me' OST is highest viewed OST video on YouTube with over 400 million+ views.

Second leads Lee Dong-wook (Grim Reaper) and Yoo In-na (Kim Sun) later on starred as the main leads of the drama Touch Your Heart (2019).