조정석,이선균,유재명,우현,이원종,전배수,송영규,최원영,강말금,박훈,Lee Hyun-kyun,진기주,유성주,Kim Pub-lae,임기홍
Jack Black,Awkwafina,Viola Davis,Dustin Hoffman,Bryan Cranston,James Hong,Ian McShane,Ke Huy Quan,Ronny Chieng,Lori Tan Chinn,Seth Rogen,Jimmy Donaldson,James Murray,James Sie,Cedric Yarbrough,Vic Chao,April Hong,Suzanne Buirgy,Logan Kim,Reyn Doi
A mysterious letter sent to Wu Xie's late grandfather Wu Laogou disrupts the retirement plans of Wu Xie, Zhang Qiling, and Wang Pangzi. The letter points to a "Comet" tomb in Outer Mongolia and the invincible trio decides to explore it, but unexpectedly gets involved in an unimaginable adventure. With the sinister Mongolian bandits, the countdown to escape from the "Comet" tomb, the unnerving rules of the tomb chamber, and the invisible "it”... The invincible trio has to give it a shot...