Skip to content

123MVIESWatch Your Favorite Movies Online

Movies TV-Series Top Rated

Search movies or series

Browse

Movies
TV-Series
Top Rated
Genres

Genres

Action
Adventure
Animation
Comedy
Crime
Documentary

About

About
FAQ
Privacy
Terms

123MVIESWatch Your Favorite Movies Online

Browse and discover movies and TV series — ratings, cast, trailers, and where to watch them legally on the services you already have.

This product uses the TMDB API but is not endorsed or certified by TMDB. Streaming availability data provided by JustWatch via TMDB.

© 2026 123 Movies. A discovery guide — we do not host or stream any video content.

20th Century Girl poster

20th Century Girl

Original title: 20세기 소녀

A first love pov story.

8.2848 votes20221h 59mReleased

Romance
Drama

In 1999, a teen girl keeps close tabs on a boy in school on behalf of her deeply smitten best friend – then she gets swept up in a love story of her own.

Director: Bang Woo-ri
Released: 6 October 2022
Studio: Yong Film, CJ ENM Studios
IMDb: View listing

Trailer

Top Cast

Kim You-jung
Na Bo-ra
Byeon Woo-seok
Poong Woon-ho
Park Jung-woo
Baek Hyun-jin
Roh Yoon-seo
Kim Yeon-du
Kim Sung-kyung
Bo-ra's Mother
Jeong Seok-yong

Bo-ra's Father

Yoon Yi-reh

Madam

Jeon Hye-won

Darn It

Kim Nu-rim

Dong-wook

Han Hyo-joo

Adult Na Bo-ra

Lee Beom-soo

School Teacher

Ryu Seung-ryong

Poong Woon-ho's Father

Park Hae-joon

Doctor at School Infirmary

Gong Myoung

Jung Woon-ho

Ong Seong-wu

Joseph / Poong Joon-ho

Kang Chae-young

Bok-soon

Bang Woo-ri

Yeon-du's Mother

Lee Cheon-mu

Bo-ra's Brother

Jo Ji-hyeon

Teacher

Lee Woo-sung

Min Hong-gi

More Like This

Endings, Beginnings

Even If This Love Disappears Tonight

The Best of Me

Dot the I

After

Endless Love

It Ends with Us

Never Let Me Go

Virgin Stripped Bare by Her Bachelors

Materialists

Five Feet Apart

Not Easily Broken

Circle of Friends

Life in a Year

Nine Lives

Ditto

Where to Watch

Region

Stream with a subscription

Netflix
Netflix Standard with Ads

Open on JustWatch↗

Availability data for United States provided by JustWatch via TMDB. Listings can change without notice — check the provider before subscribing.

20th Century Girl (2022) | 123 Movies