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.
| Production | Choi Yong-bae | Producer |
| Camera | Kim Hyung-koo | Director of Photography |
| Art | 류성희 | Production Design |
| Directing | 봉준호 | Director |
| Writing | Baek Chul-hyun | Screenplay |
| Sound | Lee Byung-woo | Original Music Composer |
| Writing | 봉준호 | Screenplay |
| Production | Junyoung Jang | Co-Producer |
| Editing | 김선민 | Editor |
| Visual Effects | Karen Kelly | Visual Effects Coordinator |
| Costume & Make-Up | Cho Sang-kyung | 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 | Kwak Jung-ae | Costume Design |
| Production | 김우택 | Executive Producer |
| Visual Effects | 박재욱 | VFX Artist |
| Crew | John Cox | Animatronics Supervisor |
| Camera | Kyung-bo Yeo | Steadicam Operator |
| Production | John Jackson | Casting |
| Art | David Renn | Sculptor |
| Art | Liam Hardy | Painter |
| Art | Liam Hardy | Sculptor |
| Sound | Sean Garnhart | Sound Designer |
| Production | Katharine Kim | Co-Executive Producer |
| Art | Toby Barron | Sculptor |
| Art | Richard Mueck | Painter |
| Art | Steven Parker | Sculptor |
| Sound | Yasuaki Nakajima | ADR Supervisor |
| Art | Toby Barron | Painter |
| Art | Steven Parker | Painter |
| Production | Joon H. Choi | Co-Executive Producer |
| Production | Lewis Taewan Kim | Co-Producer |
| Sound | Coll Anderson | Sound Designer |
| Sound | Bill Orrico | Sound Effects Editor |
| Art | Richard Mueck | Sculptor |
| Production | Jeong Won-jo | Production Coordinator |
| Costume & Make-Up | Lee Hee-eun | Special Effects Makeup Artist |
| Sound | 최태영 | Sound |
| Crew | Heui-cheol Jang | Special Effects |
| Art | David Renn | Painter |
| Production | 정태성 | Executive Producer |
| Production | 이미경 | Executive Producer |
| Sound | Rob Nokes | Sound Effects |
| 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 |
| Sound | Park Yong-gi | Sound Re-Recording Mixer |
| Visual Effects | Jung Sung-jin | Visual Effects Director |
| Crew | Seo Myeong-Seok | Stunts |
| Crew | Yang Hae-gil | Stunts |
| Crew | Kwon Tae-ho | Stunts |
| Sound | Lee Seung-chul | Production Sound Mixer |
| Art | Jang Seok-ho | Props |
| Visual Effects | 강종익 | VFX Supervisor |
| Visual Effects | Kevin Rafferty | VFX Supervisor |
| Costume & Make-Up | 곽태용 | Special Effects Makeup Artist |
| Costume & Make-Up | 황효균 | Special Effects Makeup Artist |
| Writing | Joo Byeol | Adaptation |
| Crew | Kim Won-jung | Stunts |
| Crew | Seo Ji-oh | Stunts |
| Crew | Lee Tae-yeong | Stunts |
| Visual Effects | Kim Byeong-gi | Special Effects Supervisor |
