Na PD revealed he always conducts background research on stars' good character before casting them for his variety shows.

On an episode of the YouTube channel 'The Game Caterers' released on September 6 KST, Na PD shared some behind stories on how he selects the cast members for his highly successful variety show 'Earth Arcade'. Firstly, Na PD said that his #1 ranked star who he hoped to cast was rapper Lee Young Ji, drawing attention. Na PD stated, "Because Lee Young Ji is a person with such great enery, I thought to myself that I should keep her in the center while planning out the casting lineup." He then revealed that he actually conducts background research into all the stars that he casts in his variety shows, stating, "We do conduct research to make sure of [the stars'] good character."

Take a look at the video below!  (Time Stamp at 13:40)