- Kim Ja-young - Yang Geum-ok
- Yoo Soon-woong - Bu Dae-choon
- Kang Young-suk - Bu Sang-do
- Lee Jae-won - Wang Gyeong-tae
- Bae Myeong-jin - Cha Eun-woo
- Kang Gil-woo - Go Cheol-jong
- Kim Min-cheol - Gong Ji-chan
- Baek Hyun-joo - Oh Geum-sool
- ??? - Yang Bu-ja
- Yoon Jin-seong - Jeon Hye-ja
- Sazal Mahamud - Kim Man-soo
- Lee Tae-hyeong - Han Seok-gyu
- Kim Hyeon-mok - Kang Baek-ho
- ??? - Park Eun-joo
- Han Eun-seong - Cheon Choong-gi
- ??? - Go Eun-bi
- Lee Do-hye - Yang Ji-eun
- Choi Seung-hoon - Teenage Jo Yong-pil
- Song Min-jae - Young Jo Yong-pil
- Lee Ju-yeon - Child Jo Sam-dal
- Lee Seol-ah - Young Jo Sam-dal
- Chung Ye-jin - Young Go Mi-ja
- Lee Suk-hyeong - Young Jo Pan-shik
- Kim Ah-hyeon - Teenage Jo Jin-dal
- Park Seol-ha - Young Jo Hae-dal
- Yoo Hee-je - Young Jo Sang-tae
- Jung You-me - Bu Mi-ja
- Oh Woo-ri - Young Bu Mi-ja
- Kim Soo-hyun - Young Bu Sang-do
- Shin Jae-won - Child Bu Sang-do
- Lee Joo-young - Young Wang Gyeong-tae
- Kim Te-yi - Young Wang Gyeong-tae
- Seo Jang-hyun - Teenage Cha Eun-woo
- Kim Min-joon - Young Cha Eun-woo
- Kim Hak-seon - Bu Dae-seong
- Yoo Seung-il - Cha Man-deok
- ??? - Self
- Hwang Se-on - Jeong-a
- Lee Si-young - Stylist
- Lim Yong-soon - HQ meteorologist
- Jeong Ji-ho - HQ meteorologist
- Ahn Su-bin - Gallery staff
- Park Young-bok - Village chief
- Kim Bi-bi - Haenyeo
- Shin Mi-yeong - Haenyeo
- Lee Jin-hong - Flight attendant
- Jo Hyeon-im - Neighborhood woman
- Kang Woo-je - Drunk airline passenger
- Kim Dae-gon - Ahn Kang-hyun
- Lee Jung-yeol - Bus driver
- Jung Ji-hyeon - Restaurant customer
- Oh Min-jeong - Neighborhood woman
- Goo Jae-yeon - Neighborhood woman
- Kwak Ji-sook - Pharmacist
- Kim Won-suk - AS Theme Park ceremony attendee
- Han Sa-myeong - Kim Sang-bong
- Hong Lu-hyeon - Community center staff
- Kim Geon-ho - Village chief
- Jwa Chae-won - Gallery staff
- Lee Rang-seo - Magazine X staff
- Kang Hak-soo - Jeju Olle Trail hiker
- Lee Se-rang - Jeju Olle Trail hiker
- Lee Ho-young - Dae-young's cousin
- Park Joo-yong - Dae-young's cousin
- Lee Su-ryeon - Dae-young's cousin-in-law
- Kim Bong-hee - Grandmother
- Bae Ki-beom - Kim Yong-ho
- Kim Min-a - Hae-dal's friend
- Heo Seon-haeng - Namdal-ri resident
- Kim Jae-man - Namdal-ri resident
- Hwang Hyun-bin - Weather service staff
- Lee Yun-sang - Hospital director
- Yun Bu-jin - Namdal-ri haenyeo
- Kim Joo-ah - Bakery store owner
- Kim Chae-hyun - Jin-dal's friend
- Cha Sang-mi - Bakery store customer
- Cha Yeong-ok - Dae-young’s mom
- Nam Jeong-woo - Employee
- Kim Nam-jin - Eun-joo's mother
- Park Yong - Doctor
- Kim Yong-jin - Reporter
- Choi Kyo-sik - Taxi driver
- Lee Byung-joon - Dae-young's father
- Lim Seung-beom - Reporter
- Cha Yeong-hun
- Kwon Hye-ju
Ji Chang-wook hace el papel de Jo Yong-pil.
??? interpreta a Jo Sam-dal en la serie.
??? interpreta a Jo Sang-tae en la serie.
Kim Mi-kyeong interpreta a Go Mi-ja en la serie.
??? interpreta a Jo Pan-shik en la serie.
??? hace el papel de Jo Jin-dal.
Kang Mi-na interpreta a Jo Hae-dal en la serie.
Yang Kyung-won hace el papel de Jeon Dae-young.
Kim Do-eun hace el papel de Cha Ha-yool.
Kim Ja-young interpreta a Yang Geum-ok en la serie.
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