The Poisoned Light Review: Story, Cast, Rating & Final Verdict
Last updated: May 15, 2026
Movie Overview: The Poisoned Light
| Movie | The Poisoned Light |
| Release Year | 1921 |
| Director | Jan S. Kolár |
| Genre | Crime / Adventure |
| Runtime | 62 minutes (1h 2m) |
| Language | CS |
Quick Verdict: Hit or Flop?
Is The Poisoned Light (1921) worth watching? According to our cinematic analysis, the film stands as a HIT with a verified audience rating of 7.0/10. Whether you're looking for the box office collection, ending explained, or parents guide, our review covers everything you need to know about this Crime.
Cast & Character Study
The performances in The Poisoned Light are led by Karel Fiala . The supporting cast, including Anny Ondra and Karel Lamač , provides the necessary layers to the central narrative.
movieMx Verdict: Is it Worth Your Time?
What Works in the Movie
The Poisoned Light stands out as a strong entry in the Crime genre. The film benefits from engaging storytelling, memorable performances, and solid production values that help keep viewers invested.
- Compelling performances from the main cast
- Strong visual storytelling and direction
- Well-structured Crime narrative
- Satisfying emotional or dramatic payoff
What Doesn't Work
Despite its strengths, The Poisoned Light has a few issues that may affect the overall viewing experience, particularly in terms of pacing and narrative consistency.
- Uneven pacing in certain parts of the film
- Some predictable plot developments
- May not appeal to audiences outside the Crime fanbase
Story & Plot Summary: The Poisoned Light
Quick Plot Summary: Released in 1921, The Poisoned Light is a Crime, Adventure film directed by Jan S. Kolár, written by Jan S. Kolár. The narrative dives into the criminal underworld with a grounded sense of realism and complex morality. It provides a scannable look at the movie's central conflict involving Karel Fiala as Professor Oskar Grant.
Ending Explained: The Poisoned Light
The Poisoned Light Ending Explained: Professor Grant signs a contract with Dr. Directed by Jan S. Kolár, this 1921 crime film stars Karel Fiala (Professor Oskar Grant), alongside Anny Ondra as Anny Grant, Karel Lamač as Ing. Milan Bell, Jindřich Lhoták as Dr. Karel Selín. Rated 7/10 by audiences, the conclusion brings the story to a satisfying close.
What Happens at the End of The Poisoned Light?
Professor Grant signs a contract with Dr. Selin for the sale of his invention of cold light with the plans for his invention being kept in Grant's apartment. The negotiations are secretly heard by the illusionist Durk, who wants to seize the invention. A few days later Selín is found dead, killed by a light bulb filled with poisonous gas. Durk performs at the birthday party of Grant's daughter Anna and seizes the plans for the invention.
Jan S. Kolár's narrative builds toward a resolution centered on Karel Fiala (Professor Oskar Grant)'s journey. Selin for the sale of his invention of cold light with the plans for his invention being kept in Grant's apartment.
How Does Karel Fiala (Professor Oskar Grant)'s Story End?
- Karel Fiala: Karel Fiala's arc reaches a definitive conclusion by the final act, with Jan S. Kolár delivering a resolution that feels earned after the film's 1h 2m runtime.
- Anny Ondra (Anny Grant): Anny Ondra's role in the climax proves pivotal to how the central conflict resolves.
- Karel Lamač (Ing. Milan Bell): Karel Lamač's character undergoes a significant shift in the final act.
What Does the Ending of The Poisoned Light Mean?
The ending of The Poisoned Light ties together the narrative threads involving Karel Fiala. Jan S. Kolár chooses a conclusion that prioritizes thematic consistency over surprise, resulting in an ending that rewards viewers who engaged with the story's central themes.
The Poisoned Light Real vs. Reel: Is it Based on a True Story?
Is The Poisoned Light Based on a True Story?
Yes, The Poisoned Light draws from real criminal cases and investigative records. Directed by Jan S. Kolár and starring Karel Fiala, this crime, adventure film explores how real events have been adapted into a dramatic narrative.
Real Story vs Movie Version of The Poisoned Light
The film balances factual inspiration with cinematic storytelling. Certain scenes are likely dramatized to enhance emotional impact.
Many viewers have praised the film for respecting the spirit of the real events.
Accuracy Assessment: The Poisoned Light uses real-life inspiration as the foundation for a dramatized narrative. The film prioritizes thematic storytelling over strict documentary accuracy.
Who Should Watch The Poisoned Light?
Age Advisory: Rated Not Rated.
Worth Watching If You:
- Enjoy Crime films and don't mind familiar tropes
- Are a fan of Karel Fiala or the director
- Want solid genre entertainment
At just 62 minutes, it's a quick watch.
The Poisoned Light Parents Guide & Age Rating
1921 AdvisoryWondering about The Poisoned Light age rating or if it's safe for kids? Here is our cinematic advisory:
⏱️ Runtime & Duration
The total runtime of The Poisoned Light (1921) is 62 minutes (1h 2m). Directed by Jan S. Kolár, the film runs for 62 minutes in its complete theatrical version.
Verdict Summary
Analyzing the overall audience sentiment, verified rating of 7.0/10, and global performance metrics, The Poisoned Light is classified as a HIT. It remains an essential part of the 1921 cinematic calendar.
Frequently Asked Questions
Is The Poisoned Light worth watching?
The Poisoned Light is definitely worth watching if you enjoy Crime movies. It has a verified rating of 7/10 and stands as a HIT in our box office analysis.
Where can I find The Poisoned Light parents guide and age rating?
The official parents guide for The Poisoned Light identifies it as Not Rated. Our detailed advisory section above covers all content warnings for families.
What is the runtime of The Poisoned Light (1921)?
The runtime of The Poisoned Light (1921) is 62 minutes (approximately 1h 2m).
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.