Castaway on the Moon (2009)
Kernel Score: 89% · 727 ratings
Genres: Drama, Comedy, Romance
Released: 2009-05-14
Runtime: 119 minutes
Where to watch Castaway on the Moon
- Free with ads: The Roku Channel, Tubi
US availability, updated 2026-10-23.
Overview
Mr. Kim is jobless, lost in debt and has been dumped by his girlfriend. He decides to end it all by jumping into the Han River – only to find himself washed up on a small, mid-river island. He soon abandons thoughts of suicide or rescue and begins a new life as a castaway. His antics catch the attention of a young woman whose apartment overlooks the river. Her discovery changes both their lives.
Castaway on the Moon parents' guide: ages 11+
Parents need to know that Castaway on the Moon opens with a suicide attempt and deals with themes of isolation and depression, though it becomes a whimsical, ultimately hopeful story.
- Violence & scariness: Some — The plot begins with a suicide attempt by jumping into a river; themes of isolation and despair recur throughout.
Fresh Kernels AI-assessed from publicly documented content. A guide for families, not an official rating.
Movies like Castaway on the Moon
If you liked Castaway on the Moon, these are the movies we'd watch next.
- To All the Boys: Always and Forever (2021) — 86%
- Lost in Translation (2003) — 85%
- Life in a Year (2020) — 90%
- Cast Away (2000) — 88%
- The Sun Is Also a Star (2019) — 76%
- Your Fault (2024) — 79%
- The Host (2006) — 77%
- The Lighthouse (2019) — 86%
Director
Lee Hae-jun
Cast
- Jung Jae-young as Mr. Kim
- Jung Ryeo-won as Kim Jung-yeon
- Yang Mi-kyung as Jung-yeon's Mother
- Lee Sang-hun as Seung-geun's Father
- Jang So-yeon as Seung-geun's Girlfriend
- Park Young-seo as Delivery Man
- Koo Kyo-hwan as Public Service Employee
- Lee Kyung-joon as High School Kim
- Min Kyung-jin as APT Security
- Jang Nam-yeol as Bus Driver
Castaway on the Moon FAQ
Is Castaway on the Moon good?
Castaway on the Moon has an 89% Kernel Score on Fresh Kernels from 727 audience ratings.
Where can I watch Castaway on the Moon?
In the US you can watch it free with ads on The Roku Channel and Tubi.
Is Castaway on the Moon OK for kids?
Fresh Kernels suggests ages 11+. Parents need to know that Castaway on the Moon opens with a suicide attempt and deals with themes of isolation and depression, though it becomes a whimsical, ultimately hopeful story.
What movies are like Castaway on the Moon?
If you liked Castaway on the Moon, try To All the Boys: Always and Forever, Lost in Translation, Life in a Year and Cast Away.