Once in a Summer
그해 여름
“10 days are forever.”
We checked 8 streaming services in India on 04 Jun 2026 at 16:04 IST
About
An assistant to a TV producer, eager to stay off his bad side, promises to convince her former professor, a famous but reclusive academic, to appear on their show, which helps locate long-lost persons. Who does grey-haired Professor Yun Suk-Young want to see again more than anything? The answer to that question lies decades in the past.
Cast
Lee Byung-hun
as Yun Suk-young
Soo Ae
as Seo Jung-in
Lee Se-eun
as Lee Su-jin
Lee Hae-eun
as Bok-ja
Choi Deok-moon
as Suk-young's Senior
Jeong Seok-yong
as Mr. Kim
Na Ki-soo
as Suk-young's Father
Oh Dal-su
as Nam Gyun-soo
Yoo Hai-jin
as PD Kim
Kim Joong-ki
as Senior
Park Nam-hee
as Branch School Principal
Park Chae-ik
as Literary Society Member
Kim Do-kyoon
as Literary Society Member
Son In-yong
as Literary Society Member
Kim Jeong-ha
as Old Woman
Kim Kyeong-ran
as Old Woman
Choi Ji-yeon
as Old Woman
Park Chan-guk
as Detective
Choi Eun-suk
as Plainclothes Detective
Where does Once in a Summer rank today?
Once in a Summer is #8021 on the CineFlixo Daily Streaming Charts today.
- Highest: #8021
- Top 10: 0 days
- Top 100: 0 days
Watch Once in a Summer Online Free in HD
Stream Once in a Summer online free in HD on CineFlixo. A popular drama and romance movie originally produced in Coreano and released in 2006, it's earned a solid 6.8/10 from 39 viewers worldwide.
About Once in a Summer
“10 days are forever.”
An assistant to a TV producer, eager to stay off his bad side, promises to convince her former professor, a famous but reclusive academic, to appear on their show, which helps locate long-lost persons. Who does grey-haired Professor Yun Suk-Young want to see again more than anything? The answer to that question lies decades in the past. Running 121 minutes.
Once in a Summer Cast and Characters
The cast features Lee Byung-hun (as Yun Suk-young), Soo Ae (as Seo Jung-in), Lee Se-eun (as Lee Su-jin), Lee Hae-eun (as Bok-ja), and Choi Deok-moon (as Suk-young's Senior). Their performances are a major reason Once in a Summer has built such a passionate audience.
Where to Watch Once in a Summer Online
On CineFlixo you can watch Once in a Summer free — no account, no credit card, no ads in the middle of the show. We stream the full film in 720p / 1080p HD, with subtitles when available, on any device: phone, tablet, laptop, or smart TV browser.
▶ Watch Once in a Summer NowWhy People Are Watching Once in a Summer
Once in a Summer flies under the radar but it deserves your attention. What makes it work is emotional weight that hits where it counts and chemistry between leads that actually feels real. If you enjoy Coreano storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about Once in a Summer
Where can I watch Once in a Summer online for free?
You can watch Once in a Summer online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is Once in a Summer?
Once in a Summer runs for 121 minutes (about 2 hours).
Is Once in a Summer good? What's the rating?
Once in a Summer holds a 6.8/10 rating based on 39 reviews — a solid pick if the genre interests you.
Who is in the cast of Once in a Summer?
The main cast includes Lee Byung-hun, Soo Ae, Lee Se-eun, and Lee Hae-eun, plus a strong supporting ensemble.
Is Once in a Summer available in Coreano?
Yes — Once in a Summer was originally produced in Coreano and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Once in a Summer released?
Once in a Summer was released in 2006.
Do I need an account to watch Once in a Summer on CineFlixo?
No. CineFlixo is free and you can watch Once in a Summer without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Common questions about Once in a Summer
Where can I watch Once in a Summer for free?
You can watch Once in a Summer (2006) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is Once in a Summer about?
Once in a Summer is a Drama/Romance film. An assistant to a TV producer, eager to stay off his bad side, promises to convince her former professor, a famous but reclusive academic, to appear on their show, which helps locate long-lost persons. Who does grey-haired Professor Yun Suk-Young want to see again more than anything? The answer to that question lies decades in the past.
When was Once in a Summer released?
Once in a Summer was released on November 30, 2006. It has a runtime of 2h 1m. The film was produced by KM Culture.
Who stars in Once in a Summer?
Once in a Summer stars Lee Byung-hun, Soo Ae, Lee Se-eun and Lee Hae-eun. The full cast list is available in the Cast section above.
Is Once in a Summer available in HD?
Yes, Once in a Summer is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.