A group of people meet for the first time in a long time and play a game that reveals each other's secrets.
| Directing | JQ Lee | Director |
| Writing | Bae Se-young | Screenplay |
| Production | Lee Yong-nam | Producer |
| Art | Jo Hwa-seong | Production Design |
| Camera | Kim Sung-an | Director of Photography |
| Sound | Lee Sung-jin | Sound Supervisor |
| Sound | Lee Seung-chul | Supervising Sound Editor |
| Editing | Shin Min-kyung | Editor |
| Writing | JQ Lee | Adaptation |
| Production | Cha Won-chun | Executive Producer |
| Costume & Make-Up | Cho Tae-hee | Makeup & Hair |
| Sound | Han Myung-hwan | Sound Mixer |
| Costume & Make-Up | Ko Hee-jung | Costume Design |
| Production | JQ Lee | Executive Producer |
| Sound | Mowg | Original Music Composer |
| Production | Park Cheol-su | Executive Producer |
| Production | Jeong Gyeong-jae | Executive Producer |
| Editing | Kevin Kang | Digital Intermediate |
| Sound | Jeong Ji-young | Sound Effects Designer |
| Art | Park Gyu-bin | Production Design |
| Visual Effects | Lee Jeon-hyoung | Senior Visual Effects Supervisor |
| Visual Effects | Jung Hwang-soo | VFX Supervisor |
| Editing | Ryu Yeon | Digital Intermediate Producer |
| Editing | Park Jin-young | Digital Intermediate |
| Sound | Kim Seong-woo | Foley Mixer |
| Writing | Paolo Costella | Original Film Writer |
| Writing | Paola Mammini | Original Film Writer |
| Writing | Filippo Bologna | Original Film Writer |
| Writing | Paolo Genovese | Original Film Writer |
| Writing | Rolando Ravello | Original Film Writer |
| Sound | Go Dong-hoon | Production Sound Mixer |
| Visual Effects | Shin Dae-yong | VFX Supervisor |
| Visual Effects | Do Gwang-sup | Special Effects Supervisor |
| Visual Effects | Shon Byeong-su | VFX Artist |
| Visual Effects | Do Gwang-il | Special Effects Supervisor |
| Lighting | Lee Chul-oh | Lighting Director |
| Visual Effects | Jo Gyeong-hun | VFX Artist |
| Visual Effects | Yuk Gwan-woo | Visual Effects |
