

By Dramabeans
16
2
47–63 minutes
Apple TV+
Korean, Japanese, English
Source: Wikipedia

Baek Yoseb, Isak's second older brother who lives in Osaka, Japan. He is Kyunghee's husband and Sunja's brother-in-law.
Teen Noa (recurring, season 2)
Child Sunja (guest season 1)
And Youn Yuh-jung as Kim Sunja, a Korean woman from Yeongdo District, Busan, who struggles for a better life in a Korea dominated by the Japanese and in Japan Yu-na as child Sunja (guest season 1)
Kim Chang-ho (season 2), an associate of Koh Hansu.
Koh Jong-yul, Hansu's father.
Korean Association's leader.
Baek Isak, a Protestant minister from Pyongyang, Korea. He marries Sunja despite his poor health condition to save her honor by giving her son his surname. He is Yoseb's younger brother, Noa's legal father, and Mozasu's father.
Koh Hansu, a Zainichi Korean man who lives in Osaka, Japan. He is introduced as a merchant and fish broker who regularly visits Busan, South Korea. He is Noa's biological father.
Baek Solomon, the son of Baek Mozasu and grandson of Sunja, who works at his father's Tokyo branch. Educated at English-speaking schools and Yale University, he has always socialized with Americans and Westerners. Yoon Kyung-ho as teenage Solomon (guest, season 1)
Young Kyunghee (whose Japanese name is Bando Kimiko), Yoseb's wife and Sunja's sister-in-law. She becomes a best-friend figure for Sunja after they meet in Japan. Felice Choi as older Kyunghee (recurring, season 1)
Baek Noa (season 2), Sunja's first son and Hansu's biological son. Kim Kang-hoon as teen Noa (recurring, season 2) Park Jae-jun as child Noa (guest, season 1)