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 |
| Production | Choi Yong-bae | Producer |
| Sound | Lee Byung-woo | Original Music Composer |
| Camera | 김형구 | Director of Photography |
| Art | 류성희 | Production Design |
| 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 |
| Costume & Make-Up | 황효균 | Special Effects Makeup Artist |
| Writing | 주별 | Adaptation |
| 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 | Joon H. Choi | Co-Executive Producer |
| Production | 정태성 | Executive Producer |
| Production | Katharine Kim | Co-Executive Producer |
| Production | Lewis Taewan Kim | Co-Producer |
| Production | 이미경 | Executive Producer |
| Production | John Jackson | Casting |
| Costume & Make-Up | Lee Hee-eun | Special Effects Makeup Artist |
| Sound | Coll Anderson | Sound Designer |
| Sound | 최태영 | Sound |
| Sound | Sean Garnhart | Sound Designer |
| Sound | Yasuaki Nakajima | ADR Supervisor |
| Sound | Rob Nokes | Sound Effects |
| Sound | Bill Orrico | Sound Effects Editor |
| Art | Toby Barron | Painter |
| Art | Toby Barron | Sculptor |
| Crew | John Cox | Animatronics Supervisor |
| Art | Liam Hardy | Painter |
| Art | Liam Hardy | Sculptor |
| Crew | Heui-cheol Jang | Special Effects |
| Art | Richard Mueck | Painter |
| Art | Richard Mueck | Sculptor |
| Art | Steven Parker | Painter |
| Art | Steven Parker | Sculptor |
| Art | David Renn | Painter |
| Art | David Renn | Sculptor |
| Camera | Kyung-bo Yeo | Steadicam Operator |
| Production | Jeong Won-jo | Production Coordinator |
| Writing | Hah Jun-won | Screenplay |
| Lighting | Jung Young-min | Lighting Director |
| Lighting | 이강산 | Lighting Director |
| Directing | Kim Jun-su | Assistant 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 |
