In Seoel, Zuid-Korea worden stedelingen geterroriseerd door een gruwelijk monster dat in de rivier Han leeft, maar daar zo nodig uit komt om slachtoffers te maken. Wanneer een jong meisje door het monster wordt ontvoerd, besluit haar familie een levensgevaarlijke reddingstocht op poten te zetten om haar te bevrijden.
Nee, helaas is Gwoemul nog niet beschikbaar op Netflix in Nederland.
| Directing | 봉준호 | Director |
| Writing | Baek Chul-hyun | Screenplay |
| Writing | 봉준호 | Screenplay |
| Sound | Lee Byung-woo | Original Music Composer |
| Camera | 김형구 | Director of Photography |
| Art | 류성희 | Production Design |
| Production | Choi Yong-bae | Producer |
| Visual Effects | 강종익 | VFX Supervisor |
| Crew | Seo Myeong-Seok | Stunts |
| Crew | 양해길 | Stunts |
| Visual Effects | Kevin Rafferty | VFX Supervisor |
| Costume & Make-Up | 곽태용 | Special Effects Makeup Artist |
| Writing | 주별 | Adaptation |
| Costume & Make-Up | 황효균 | Special Effects Makeup Artist |
| Crew | 김원중 | Stunts |
| Crew | Kwon Tae-ho | Stunts |
| Crew | Lee Tae-yeong | Stunts |
| Crew | 서지오 | Stunts |
| Production | Junyoung Jang | Co-Producer |
| Art | Jang Seok-ho | Props |
| Sound | Lee Seung-chul | Production Sound Mixer |
| Visual Effects | Kim Byeong-gi | Special Effects Supervisor |
| Editing | 김선민 | Editor |
| Visual Effects | Karen Kelly | Visual Effects Coordinator |
| Costume & Make-Up | 조상경 | Costume Design |
| Camera | 김병서 | Camera Operator |
| Costume & Make-Up | Song Jong-hee | Makeup & Hair |
| Art | Yang Hong-sam | Set Decoration |
| Production | Cho Neung-yeon | Producer |
| Production | Kim Hyun-woo | Co-Executive Producer |
| Editing | Lee Yong-gi | Colorist |
| Editing | Han Jae-min | Colorist |
| Costume & Make-Up | 곽정애 | Costume Design |
| Visual Effects | 박재욱 | VFX Artist |
| Production | 김우택 | Executive Producer |
| Production | Katharine Kim | Co-Executive Producer |
| Art | David Renn | Sculptor |
| Production | 이미경 | Executive Producer |
| Production | John Jackson | Casting |
| Sound | Coll Anderson | Sound Designer |
| Sound | Sean Garnhart | Sound Designer |
| Art | Toby Barron | Sculptor |
| Sound | Rob Nokes | Sound Effects |
| Sound | Bill Orrico | Sound Effects Editor |
| Crew | Heui-cheol Jang | Special Effects |
| Art | Richard Mueck | Sculptor |
| Production | Lewis Taewan Kim | Co-Producer |
| Costume & Make-Up | Lee Hee-eun | Special Effects Makeup Artist |
| Art | Toby Barron | Painter |
| Art | Liam Hardy | Sculptor |
| Production | 정태성 | Executive Producer |
| Camera | Kyung-bo Yeo | Steadicam Operator |
| Art | Liam Hardy | Painter |
| Art | Richard Mueck | Painter |
| Sound | 최태영 | Sound |
| Art | Steven Parker | Painter |
| Production | Jeong Won-jo | Production Coordinator |
| Art | Steven Parker | Sculptor |
| Crew | John Cox | Animatronics Supervisor |
| Sound | Yasuaki Nakajima | ADR Supervisor |
| Art | David Renn | Painter |
| Production | Joon H. Choi | Co-Executive Producer |
| Writing | Hah Jun-won | Screenplay |
| Lighting | 이강산 | Lighting Director |
| Directing | Kim Jun-su | Assistant Director |
| Lighting | Jung Young-min | Lighting Director |
| Crew | Yang Gil-yeong | Fight Choreographer |
| Visual Effects | Jung Sung-jin | Visual Effects Director |
| Sound | 박용기 | Sound Re-Recording Mixer |
| Crew | Kim Won-jung | Stunts |
| Crew | 배재일 | Stunts |
| Visual Effects | Jang Hee-chul | Creature Design |
