Cast & crew
Believer (2018)
Directed by Lee Hae-young Written by Chung Seo-kyung, Lee Hae-young
Cast
| Hwang Ki-seok | Paramedic |
| Kim Joo-hyuk | Gyoo-rim |
| Park Eun-young | Yook |
| Lee Ye-eun | Muffler |
| Geum Gwang-san | He-Man |
| Cho Jin-woong | Won Kyeong |
| Yoon Jae-in | Anchor |
| Jung Ga-ram | Ding Dong |
| Kim Tae-jun | young Bell |
| Ahn Seong-bong | McArthur Entourage |
| Park Seong-yeon | Interpreter |
| Ryu Jun-yeol | Rak |
| Kang Seung-hyun | So |
| Cha Seung-won | Brian Dettman |
| Kim Sung-ryung | Ok-ja |
| Park Hyun-ji | Er |
| Baek Seung-hwan | Ensemble Factory Women |
| Na Ki-soo | Hak |
| Nam Moon-chul | Directing Department |
| Park Hae-joon | Chang |
| Cha Soon-hyeong | McArthur Entourage |
| Jang Tae-min | Veterinarian |
| Jung Jun-won | Cheon-doong |
| Seo Hyun-woo | Il 'Matto' |
| Han Sang-cheul | young Bell |
| Lee Zoo-young | Se-joo |
| Keum Sae-rok | Ki-soo |
| Jin Seo-yeon | Bo |
| Kim Ha-young | Police Officer |
| Lee Ji-min | Shopping Cart |
| Kim Dong-young | Ding Dong |
Crew
| Park Jin-young | Digital Intermediate |
| Song Suk-ki | Set Decoration |
| Im Se-jin | Art Direction |
| Hong Seung-chul | Lighting Director |
| Kim Tae-kyeong | Director of Photography |
| Choi Se-yeon | Costume Design |
| Jeon Jae-wook | Props |
| Lee Yoon-ho | Storyboard |
| Jeong Jin-geun | Martial Arts Choreographer |
| Kim Young-hoon | Executive Producer |
| Hong Ye-yeong | Sound Designer |
| Lee Hae-young | Director |
| Kang Dong-yul | Costume Design |
| Dalpalan | Original Music Composer |
| Shin Soo-bin | Costumer |
| Yeijin Cho | Production Coordinator |
| Wai Ka-Fai | Original Film Writer |
| Chung Seo-kyung | Screenplay |
| Ham Jin | Producer |
| Cho Yong-jin | Assistant Director |
| Yoon Suk-chan | Producer |
| Jung Sung-jin | Visual Effects Supervisor |
| Yang Jin-mo | Editor |
| Jeong Hui-sun | Producer |
| Lee Ha-jun | Production Design |
| Heo Jin | Costumer |
| Kim Dong-sik | Line Producer |
| Kim Chan-jin | Visual Effects Producer |
| Kim Jung-hun | VFX Supervisor |
| Syd Lim | Executive Producer |
| Kang Jong-ik | VFX Supervisor |
| Lim Hye-jin | Assistant Editor |
| Ryu Seong-cheol | Stunts |
| Hong Jang-pyo | Special Effects Supervisor |
| Jang Eun-young | Line Producer |
| Lee Hae-young | Screenplay |
| Ahn Bock-nam | Production Sound Mixer |
| Kim Young-ho | Sound Mixer |
| Heo Myeong-haeng | Martial Arts Choreographer |
| Yau Nai-Hoi | Original Film Writer |
| Shim Chul-min | Stunts |
| Jeon Young-wook | Still Photographer |
| Oh You-jin | Props |
| Jang Yoon-jung | Makeup & Hair |
| Han Seung-hee | Producer |
| Ji Sung-yong | Key Grip |
| Mo So-ra | Art Direction |
| Kim Woo-taek | Co-Executive Producer |
| Kim Woo-cheol | VFX Supervisor |
| Jay Lee | Associate Producer |