Squid Game” was a huge hit for Netflix, but the man behind the juggernaut South Korean drama is sharing that it wasn’t all roses for him.

Playing Squid Game can be fatal, and it making sounds almost as dangerous - at least for your teeth. The creator of Netflix’s South Korean hit series, Hwang Dong-hyuk, laughed as told the BBC he had lost “eight or nine” teeth due to the stress of making Season 1.

Hwang Dong Hyuk, director of Netflix’sSquid Game, spoke about his decision to cast former Big Bang member Choi Seung Hyun, also known as T.O.P, in Season 2, despite backlash surrounding his past marijuana charges.