Where to watch
Netflix
Netflix Standard with Ads
Cast · Directed by Bang Woo-ri
KY
Kim You-jung
Na Bo-ra
BW
Byeon Woo-seok
Poong Woon-ho
PJ
Park Jung-woo
Baek Hyun-jin
RY
Roh Yoon-seo
Kim Yeon-du
KS
Kim Sung-kyung
Bo-ra's Mother
JS
Jeong Seok-yong
Bo-ra's Father
YY
Yoon Yi-reh
Madam
JH
Jeon Hye-won
Darn It
KN
Kim Nu-rim
Dong-wook
HH
Han Hyo-joo
Adult Na Bo-ra
LB
Lee Beom-soo
School Teacher
RS
Ryu Seung-ryong
Poong Woon-ho's Father
More from Kim You-jung · Lead actress
More from Byeon Woo-seok · Co-star actor
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20th Century Girl — streaming FAQ
Which OTT platform streams 20th Century Girl?
20th Century Girl is streaming on Netflix and Netflix Standard in United States.
Is 20th Century Girl on Netflix?
Yes — 20th Century Girl is available on Netflix in United States as of September 2026.
Is 20th Century Girl on Amazon Prime Video?
No, 20th Century Girl isn't on Amazon Prime Video in United States right now. It's on Netflix and Netflix Standard instead.
Where can I watch 20th Century Girl for free?
20th Century Girl is available on Netflix and Netflix Standard in United States, but you'll need an active subscription — there's no free option right now.
