The Devil's Sisters Review: Story, Cast, Rating & Final Verdict
Last updated: May 18, 2026
Movie Overview: The Devil's Sisters
| Movie | The Devil's Sisters |
| Release Year | 1966 |
| Director | William Grefé |
| Genre | Crime / Drama |
| Runtime | 90 minutes (1h 30m) |
| Language | EN |
Quick Verdict: Hit or Flop?
Is The Devil's Sisters (1966) 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 Devil's Sisters are led by Sharon Saxon . The supporting cast, including Fred Pinero and Velia Martinez , provides the necessary layers to the central narrative.
movieMx Verdict: Is it Worth Your Time?
What Works in the Movie
The Devil's Sisters 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 Devil's Sisters 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 Devil's Sisters
Quick Plot Summary: Released in 1966, The Devil's Sisters is a Crime, Drama film directed by William Grefé, written by John Nicholas. 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 Sharon Saxon as Teresa.
Ending Explained: The Devil's Sisters
The Devil's Sisters Ending Explained: This film is based on the Las Poquianchis case in Mexico where Delfina and María de Jesús González lured in young women with false help wanted ads. Directed by William Grefé, this 1966 crime film stars Sharon Saxon (Teresa), alongside Fred Pinero as Antonio Sanchez, Velia Martinez as Carmen Alvarado, Anita Crystal as Rita Alvarado. Rated 7/10 by audiences, the conclusion brings the story to a satisfying close.
What Happens at the End of The Devil's Sisters?
This film is based on the Las Poquianchis case in Mexico where Delfina and María de Jesús González lured in young women with false help wanted ads. They would get the women addicted to drugs and put them to work as prostitutes. Once they became too ill, used up or stubborn, they would be killed. Customers may also be killed if it appeared to be profitable enough. When police officers searched the sisters' property they found 91 bodies.
William Grefé's narrative builds toward a resolution centered on Sharon Saxon (Teresa)'s journey. They would get the women addicted to drugs and put them to work as prostitutes.
How Does Sharon Saxon (Teresa)'s Story End?
- Sharon Saxon: Sharon Saxon's arc reaches a definitive conclusion by the final act, with William Grefé delivering a resolution that feels earned after the film's 1h 30m runtime.
- Fred Pinero (Antonio Sanchez): Fred Pinero's role in the climax proves pivotal to how the central conflict resolves.
- Velia Martinez (Carmen Alvarado): Velia Martinez's character undergoes a significant shift in the final act.
Is The Devil's Sisters Based on a True Story?
Yes — The Devil's Sisters draws from real events. The ending reflects documented outcomes, though William Grefé has taken creative liberties in dramatizing specific scenes for cinematic impact.
What Does the Ending of The Devil's Sisters Mean?
The ending of The Devil's Sisters ties together the narrative threads involving Sharon Saxon. William Grefé 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 Devil's Sisters Real vs. Reel: Is it Based on a True Story?
Is The Devil's Sisters Based on a True Story?
Yes, The Devil's Sisters draws from real criminal cases and investigative records. Directed by William Grefé and starring Sharon Saxon, this crime, drama film explores how real events have been adapted into a dramatic narrative.
Real Story vs Movie Version of The Devil's Sisters
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 Devil's Sisters uses real-life inspiration as the foundation for a dramatized narrative. The film prioritizes thematic storytelling over strict documentary accuracy.
Who Should Watch The Devil's Sisters?
Age Advisory: Rated Not Rated.
Worth Watching If You:
- Enjoy Crime films and don't mind familiar tropes
- Are a fan of Sharon Saxon or the director
- Want solid genre entertainment
The Devil's Sisters Parents Guide & Age Rating
1966 AdvisoryWondering about The Devil's Sisters age rating or if it's safe for kids? Here is our cinematic advisory:
⏱️ Runtime & Duration
The total runtime of The Devil's Sisters (1966) is 90 minutes (1h 30m). Directed by William Grefé, the film runs for 90 minutes in its complete theatrical version.
Verdict Summary
Analyzing the overall audience sentiment, verified rating of 7.0/10, and global performance metrics, The Devil's Sisters is classified as a HIT. It remains an essential part of the 1966 cinematic calendar.
Frequently Asked Questions
Is The Devil's Sisters worth watching?
The Devil's Sisters 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 Devil's Sisters parents guide and age rating?
The official parents guide for The Devil's Sisters identifies it as Not Rated. Our detailed advisory section above covers all content warnings for families.
What is the runtime of The Devil's Sisters (1966)?
The runtime of The Devil's Sisters (1966) is 90 minutes (approximately 1h 30m).
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.