Moment at Eighteen Happiness and Sadness Come and Go Instantly (Season 1, Episode 4)
TV Episode | Drama, Romance

Moment at Eighteen

Happiness and Sadness Come and Go Instantly (Season 1, Episode 4)

TV Episode | Drama, Romance

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Release date

Jul 30, 2019 (South Korea)

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Cast	+ Add Cast
13 cast members

Name	Known for
Ong Seong-wu Choi Jun Woo (as Seong-wu Ong) Choi Jun Woo (as Seong-wu Ong) See fewer	Life Is Beautiful (2022)
Kim Hyang-gi Yoo Soo Bin (as Hyang-gi Kim) Yoo Soo Bin (as Hyang-gi Kim) See fewer	Along With the Gods: The Two Worlds (2017)
Shin Seung-ho Ma Hwi Young (as Seung-Ho Shin) Ma Hwi Young (as Seung-Ho Shin) See fewer	Alchemy of Souls (2022)
Kang Ki-young Oh Han Kyeol Oh Han Kyeol See fewer	Crazy Romance (2019)
Kim Do-wan Cho Sang Hoon Cho Sang Hoon See fewer	Big Mouth (2022)
Moon-Bin Jung Oh Je Jung Oh Je See fewer	Mermaid Prince (2020)
Kim Sun-young Yoon Song Hee (as Kim Sun Young) Yoon Song Hee (as Kim Sun Young) See fewer	Three Sisters (II) (2020)
Shim Yi-yeong Lee Yeon Woo (as Yi-yeong Shim) Lee Yeon Woo (as Yi-yeong Shim) See fewer	Love Alarm (2019)
Park Sung-Geun Lee Guan Yong [Vice Principal] Lee Guan Yong [Vice Principal] See fewer	Always (2011)
Yoo In-soo Yoo Pil Sang (as In-soo Yoo) Yoo Pil Sang (as In-soo Yoo) See fewer	All of Us Are Dead (2022)
Jung Young-joo Park Geum Ja Park Geum Ja See fewer	When Flowers Bloom, I Think of the Moon (2021)
Young-ji Heo Kim Ji Min Kim Ji Min See fewer	Moment at Eighteen (2019)
Song Geon-hee Shin Jeong Hu (as Geon-Hee Song) Shin Jeong Hu (as Geon-Hee Song) See fewer	Ultimate Weapon Alice (2022)