Cast & crew
I Can Speak (2017)
Directed by Kim Hyun-seok Written by Yoo Seung-hee
Cast
| Jung Yeon | Teacher |
| Na Moon-hee | Boon Hogganbeck |
| Kim Kyung-duk | Service |
| Kim Gun | young Bell |
| Yeom Hye-ran | Naju-daek |
| Kim Nan-hee | Interviewer |
| Choi Soo-in | Boon Hogganbeck |
| Jeong Yeon-joo | Coolie A |
| Woo Ji-hyun | Service |
| Jung Won-chang | Black Student |
| Chu Yeon-gyu | Ward Patient |
| Son Sook | Sim Beards |
| Jo Hyeon-im | Min-gyu |
| Kim Ja-young | Record Executive |
| Lee Shin-seong | Newsroom Reporter |
| Son Seong-chan | Interviewer |
| Kim Il-woong | Bald Subhumanoid |
| Park Cheol-min | Yang |
| Hwang Yeon-hui | Merchant Lheureux |
| Lee Dong-yong | Noodle |
| Seol Chang-hee | Interviewer |
| Lee Je-hoon | Min-gyu |
| Lee Dae-yeon | Chief |
| Lee Ji-hoon | Jong |
| Sung Yoo-bin | Jae-yeong |
| Cho Wan-ki | Counselor |
| Kim So-jin | Geum-bong |
| Lee Jung-hyun | Black Student |
| Ok Joo-ri | Merchant Lheureux |
| Lee Sang-hee | Wan Jung |
| Lee So-jin | Black Student |
| Lee Jae-in | Sim Beards |
| Terris Brown | Immigration Offical |
| Kim Seon-kyeong | Ilona's Friend |
| Na Moon-hee | Na Ok-boon |
| Lee Je-hoon | Park Min-jae |
| Sung Yoo-bin | Young-jae |
| Yeom Hye-ran | Jinjoo-daek |
| Lee Sang-hee | Hye-jung |
| Jeong Yeon-joo | A-young |
| Lee Ji-hoon | Jong-hyun |
| Park Cheol-min | Team Leader Yang |
| Son Sook | Jung-sim |
| Kim So-jin | Geum-joo |
| Choi Soo-in | Young Na Ok-boon |
| Lee Jae-in | Young Jung-sim |
| Kim Il-woong | Bald Guy |
| Lee Dae-yeon | Ward Chief |
| Kim Ja-young | Executive of Shopkeepers co-op |
| Cho Wan-ki | YBM Counselor |
| Lee Shin-seong | Reporter |
| Kim Seon-kyeong | Hye-jung's Friend |
| Jo Hyeon-im | Park Min-jae's Aunt |
| Lee Dong-yong | Bongwon Market Noodle Restaurant |
| Chu Yeon-gyu | Ward Office Employee |
| Woo Ji-hyun | Public Service Employee |
| Kim Kyung-duk | Labor Service Subordinate |
| Son Seong-chan | Interviewer |
| Kim Nan-hee | Interviewer |
| Seol Chang-hee | Interviewer |
| Kim Gun | Young Young-jae |
| Ok Joo-ri | Merchant |
| Lee Jung-hyun | Student |
| Jung Won-chang | Student |
| Terris Brown | Airport Immigration Agent |
| Hwang Yeon-hui | Merchant |
| Lee So-jin | Student |
| Jung Yeon | Teacher |
| Lee Su-gil | Jang in 1987 |
Crew
| Choi Bong-rock | Martial Arts Choreographer |
| Huh Soo-young | Co-Executive Producer |
| Lee Soon-sung | Production Sound Mixer |
| Kim Se-hee | Special Effects Makeup Artist |
| Choi Yeon-sik | Production Design |
| Kim Suk-won | Sound Supervisor |
| Kim Jin-yeong | Still Photographer |
| Kim Jung-woo | Camera Operator |
| Yu Eok | Director of Photography |
| Shannon Williams | Second Second Assistant Director |
| Lee Ha-young | Producer |
| Kim Hyung-shek | Digital Intermediate |
| Jung Seung-pil | Co-Executive Producer |
| Lee Dong-jun | Original Music Composer |
| Ha Won-jun | Adaptation |
| Maxwel Fisher | Steadicam Operator |
| Yoo Eun-jung | Producer |
| Jason Jaeger | Dolly Grip |
| Kim Hyun-seok | Director |
| Jin Min-kyoung | Makeup & Hair |
| Shim Jae-myung | Co-Producer |
| Jo Ryeong-soo | Adaptation |
| Shin Ji-young | Costume Design |
| Daniel Hank | Producer |
| Yoo Seung-hee | Writer |
| Kim Jae-beom | Editor |
| Kim Sang-bum | Editor |
| Choi Bong-rock | Martial Arts Choreographer |
| Kim Hyung-shek | Digital Intermediate |
| Lee Soon-sung | Production Sound Mixer |
| Jung Seung-pil | Co-Executive Producer |
| Kim Jin-yeong | Still Photographer |
| Choi Yeon-sik | Production Design |
| Kim Hyun-seok | Director |
| Yoo Seung-hee | Writer |
| Huh Soo-young | Co-Executive Producer |
| Kim Jung-woo | Camera Operator |
| Shin Ji-young | Costume Design |
| Jin Min-kyoung | Makeup & Hair |
| Ha Won-jun | Adaptation |
| Jo Ryeong-soo | Adaptation |
| Yoo Eun-jung | Producer |
| Kim Jae-beom | Editor |
| Kim Sang-bum | Editor |
| Shannon Williams | Second Second Assistant Director |
| Yu Eok | Director of Photography |
| Lee Dong-jun | Original Music Composer |
| Maxwel Fisher | Steadicam Operator |
| Kim Suk-won | Sound Supervisor |
| Shim Jae-myung | Co-Producer |
| Jason Jaeger | Dolly Grip |
| Lee Ha-young | Producer |
| Daniel Hank | Producer |
| Kim Se-hee | Special Effects Makeup Artist |
| Cha Sang-kyun | Lighting Director |