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In Our Prime poster

In Our Prime

"A genius mathematician with a hidden past and a needy student given up on math."

80
Audience
1h 57m
Drama
Starring Choi Min-sik · Kim Dong-hwi · Park Hae-joon
Amazon Video Rent on Amazon Video
In Our Prime poster
Amazon Video Rent on Amazon Video
Movie Trailers
Movie Trailers
80
Audience

About

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.

Director
Park Dong-hun
Producers
Yi Jae-min, Kim Do-su, Ha Jung-wan
Music
Lee Ji-soo
Studio
Joy Rabbit, Showbox
Original Title
이상한 나라의 수학자
Original Language
Korean
Keywords
mathematician private school private lessons mathematics high school janitor high school student north korean defector inter-korean relations national intelligence service (nis)
In Our Prime on the Web

Where to Watch

Region
Prices last updated September 30, 2026. Pricing and availability may vary by region.
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Cast

Full credits →
C
Choi Min-sik
Ri Hak-sung
K
Kim Dong-hwi
Han Ji-woo
P
Park Hae-joon
Ahn Gi-chul
P
Park Byung-eun
Kim Geun-ho
J
Jo Yoon-seo
Park Bo-ram
T
Tang Joon-sang
Tae-yeon
K
Kim Won-hae
Park Pil-joo
J
Ju Jin-mo
Professor Oh
K
Kim Hee-jung
Bo-ram's Mother
K
Kang Mal-geum
Ji-woo's Mother
J
Joo Ye-rin
Korean Teacher
J
Jung Seung-kil
NIS Agent
S
Shin Jae-whi
Student 5
K
Kang Jun-kyu
Ui-joon
K
Kim So-suk
Principal
C
Choi Jae-sup
Hanbok Teacher
R
Ro Jong-hyun
Ddal-bong
S
Shin Mi-yeong
Missionary
L
Lee Si-woo
Young Professor Oh
H
Hwang Jae-soon
Euler instructor

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