I Saw the Devil

  • 2010
  • R
  • 144m
movieMx RATING
7.8/102.9K
VERDICT
SUPER HIT
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Performance & Direction: I Saw the Devil Review

Last updated: February 20, 2026

movieMx Editorial Team
REVIEWED BY

movieMx Editorial Team

🔍 Cinematic Analysis Expert

Leading cinematic analysis expert with over 10 years of experience in Bollywood and Hollywood box office tracking. Reviewed 500+ films with a focus on narrative structure and commercial profitability.

📅 Updated: February 20, 2026 🎟️ Verified Viewing

🎬 Quick Verdict: Hit or Flop?

Is I Saw the Devil (2010) worth watching? According to our cinematic analysis, the film stands as a SUPER HIT with a verified audience rating of 7.8/10. Whether you're looking for the box office collection, ending explained, or parents guide, our review covers everything you need to know about this Thriller.

🎭 Cast Performances: A Masterclass

The success of any Thriller is often anchored by its ensemble, and I Saw the Devil features a noteworthy lineup led by Lee Byung-hun . Supported by the likes of Choi Min-sik and Jeon Kuk-hwan , the performances bring a palpable realism to the scripted words.

Performance Analysis: The lead actors exhibit a remarkable range, navigating the emotional peaks and valleys of their respective characters with a precision that makes every motivation feel earned.

💡 Final Verdict: Is it Worth Watching?

In summary, our editorial assessment of I Saw the Devil (2010) is overwhelmingly positive. With an audience rating of 7.8/10, it stands as a mandatory watch for any serious cinema lover.
Result: SUPER HIT
Based on verified audience sentiment and box office trajectory, I Saw the Devil stands as a SUPER HIT.

Story & Plot Summary: I Saw the Devil

Quick Plot Summary: Released in 2010, I Saw the Devil is a Thriller, Horror film directed by Kim Jee-woon. The narrative builds tension through unpredictable twists and keeps audiences guessing until the final reveal. This summary provides a scannable look at the movie's central conflict involving Lee Byung-hun.

Story Breakdown

The plot weaves a complex web of mystery and suspense. Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself. Information is revealed strategically, keeping viewers engaged as they piece together clues alongside Lee Byung-hun. The narrative maintains momentum through well-timed revelations and unexpected turns.

Narrative Structure

  • Opening Hook: The opening scene plants the seeds of mystery, introducing questions that will drive the narrative forward.
  • Character Arc: The protagonist, portrayed by Lee Byung-hun, undergoes a meaningful transformation, with their journey feeling earned and emotionally resonant. Supporting characters are well-developed, each serving a purpose in the narrative.
  • Climax & Resolution: All mysteries converge in a climax that recontextualizes earlier events and delivers satisfying answers.

Thematic Depth

The film operates on multiple levels, using its genre framework to explore deeper themes about human nature, society, and the choices that define us.

What Works & What Doesn't

✅ Strengths

  • Exceptional storytelling that balances entertainment with substance
  • Strong performances, especially from Lee Byung-hun, that bring depth to the characters
  • Technical excellence in cinematography, editing, and sound design

⚠️ Weaknesses

  • Minor pacing issues that do not significantly detract from the experience
  • A few underdeveloped subplots

Ending Explained: I Saw the Devil

Ending Breakdown: Directed by Kim Jee-woon, I Saw the Devil resolves its central conflict while maintaining thematic consistency. The finale has been praised for its approach to thriller resolution.

The final reveal recontextualizes earlier scenes involving Lee Byung-hun, creating a memorable conclusion that audiences have responded to positively.

Ending Analysis:

  • Narrative Resolution: The story concludes with clear resolution of its central conflicts, providing closure while maintaining some ambiguity.
  • Character Arcs: Main characters complete meaningful transformations, reflecting the film's thematic priorities.
  • Thematic Payoff: The ending reinforces the thriller themes in a way that feels organic to the story.

The final moments of I Saw the Devil demonstrate careful narrative planning, offering an ending that aligns with the film's tone and style.

Who Should Watch I Saw the Devil?

Highly Recommended For:

  • Fans of Thriller cinema looking for quality storytelling
  • Viewers who appreciate gripping suspense and clever plot twists
  • Anyone seeking a well-crafted film that delivers on its promises

Box Office Collection: I Saw the Devil

Metric / RegionCollection (Approx)
Production Budget $6.0M
Worldwide Gross $13.0M
Trade Verdict CLEAN HIT

I Saw the Devil Budget

The estimated production budget for I Saw the Devil is $6.0M. This figure covers principal photography, talent acquisitions, and visual effects. When accounting for global marketing and distribution, the break-even point is typically 2x the base production cost.

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Top Cast: I Saw the Devil

All Cast & Crew →
Lee Byung-hun
Lee Byung-hunKim Soo-hyeon
Choi Min-sik
Choi Min-sikKyung-chul
Jeon Kuk-hwan
Jeon Kuk-hwanSquad Chief Jang
Cheon Ho-jin
Cheon Ho-jinSection Chief Oh
Oh San-ha
Oh San-haJoo-yeon
Nam Bo-ra
Nam Bo-raSection Chief's Daughter
Lee Jun-hyuk
Lee Jun-hyukNIS Agent
Yoon Chae-yeong
Yoon Chae-yeongNurse Han Song-i
Kim In-seo
Kim In-seoSe-jung
Kim Kap-soo
Kim Kap-sooPlanning Team Deputy Head
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Where to Watch I Saw the Devil Online?

Streaming Hub

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I Saw the Devil Parents Guide & Age Rating

2010 Advisory
R

Official Age Rating

Wondering about I Saw the Devil age rating or if it's safe for kids? Here is our cinematic advisory:

I Saw the Devil is rated R. Parents should be aware that it contains frightening scenes, intense suspense, mature themes, violence. It is intended for mature audiences only.

⏱️ Runtime & Duration

The total runtime of I Saw the Devil is 144 minutes (2h 24m). Ensuring you have enough time for the full cinematic experience.

Verdict Summary

Analyzing the overall audience sentiment, verified rating of 7.8/10, and global performance metrics, I Saw the Devil is classified as a SUPER HIT. It remains an essential part of the 2010 cinematic calendar.

SUPER HIT
Official movieMx status for I Saw the Devil. Rating: 7.8/10

Frequently Asked Questions

Is I Saw the Devil worth watching?

I Saw the Devil is definitely worth watching if you enjoy Thriller movies. It has a verified rating of 7.8/10 and stands as a SUPER HIT in our box office analysis.

Where can I find I Saw the Devil parents guide and age rating?

The official parents guide for I Saw the Devil identifies it as R. Our detailed advisory section above covers all content warnings for families.

What is the total runtime of I Saw the Devil?

The total duration of I Saw the Devil is 144 minutes, which is approximately 2h 24m long.

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Critic Reviews for I Saw the Devil

🛡️

movieMx Verified

This review has been verified for accuracy and editorial quality by our senior cinematic analysts.

This analysis is compiled by our editorial experts using multi-source verification and audience sentiment data for maximum accuracy.

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Expert Consensus
Live Rating
MOVIEMX
★ 7.8
I Saw the Devil
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