K-Drama 
- Português (Portugal)
- English
- magyar / magyar nyelv
- עברית / עִבְרִית
- Native Title: 목소리를 구분하는 방법
- Also Known As: Moksorireul Gubunhaneun Bangbeob , tvN O'PENing: How to Distinguish Voices
- Screenwriter: Han Yeon Joo
- Director: Ham Seung Hun
- Genres: Romance
Where to Watch tvN O'PENing: How to Distinguish Voices
Subscription
Cast & Credits
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![Lee Hong Nae in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)]( "Lee Hong Nae in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)")
Lee Hong NaeJang Do WanMain Role -
![Choi Hee Jin in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)]( "Choi Hee Jin in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)")
Choi Hee JinEun Da HaeMain Role -
![Hong Seo Hee in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)]( "Hong Seo Hee in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)")
Hong Seo HeeJung Ji WonMain Role -
![Yu Eui Tae in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)]( "Yu Eui Tae in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)")
Yu Eui TaeKim Seong JunMain Role -
![Na Chul in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)]( "Na Chul in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)")
Na ChulNa PDMain Role -
![Woo Sung Eun in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)]( "Woo Sung Eun in tvN O'PENing: How to Distinguish Voices Korean Drama(2022)")
Woo Sung EunWoo Sung EunMain Role
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