
In Our Prime
A genius mathematician with a hidden past and a needy student given up on math.
Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.
Where to Watch
Top Cast

Choi Min-sik
Ri Hak-sung

Kim Dong-hwi
Han Ji-woo

Park Hae-joon
Ahn Gi-chul

Park Byung-eun
Kim Geun-ho

Jo Yoon-seo
Park Bo-ram

Tang Joon-sang
Tae-yeon

Kim Won-hae
Park Pil-joo

Ju Jin-mo
Professor Oh

Kim Hee-jung
Bo-ram's Mother

Kang Mal-geum
Ji-woo's Mother

Joo Ye-rin
Korean Teacher

Jung Seung-kil
NIS Agent

Shin Jae-whi
Student 5

Kang Jun-kyu
Ui-joon

Kim So-suk
Principal

Choi Jae-sup
Hanbok Teacher

Ro Jong-hyun
Ddal-bong

Shin Mi-yeong
Missionary

Lee Si-woo
Young Professor Oh
Hwang Jae-soon
Euler instructor
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