Once Is Not Enough
Once Is Not Enough Review: Story, Cast, Rating & Final Verdict
Last updated: May 12, 2026
Movie Overview: Once Is Not Enough
| Movie | Once Is Not Enough |
| Release Year | 1975 |
| Director | Guy Green |
| Genre | Drama / Romance |
| Runtime | 121 minutes (2h 1m) |
| Language | EN |
Quick Verdict: Hit or Flop?
Is Once Is Not Enough (1975) worth watching? According to our cinematic analysis, the film stands as a AVERAGE with a verified audience rating of 5.2/10. Whether you're looking for the box office collection, ending explained, or parents guide, our review covers everything you need to know about this Drama.
Cast & Character Study
The performances in Once Is Not Enough are led by Kirk Douglas . The supporting cast, including Alexis Smith and David Janssen , provides the necessary layers to the central narrative.
movieMx Verdict: Is it Worth Your Time?
What Works in the Movie
While Once Is Not Enough does not fully realize its potential, it still contains moments that may appeal to viewers who enjoy Drama films.
- Interesting concept or premise
- Some entertaining scenes
- Supporting cast delivers occasional highlights
What Doesn't Work
Despite its strengths, Once Is Not Enough 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 Drama fanbase
Story & Plot Summary: Once Is Not Enough
Quick Plot Summary: Released in 1975, Once Is Not Enough is a Drama, Romance film directed by Guy Green, written by Julius J. Epstein. The narrative explores complex human emotions and relationships through detailed character development. It provides a scannable look at the movie's central conflict involving Kirk Douglas as Mike Wayne.
Ending Explained: Once Is Not Enough
Once Is Not Enough Ending Explained: An over-the-hill movie producer marries a wealthy, spiteful woman and closeted lesbian just to please his spoiled daughter who then, in an attempt to spite him, seduces both a wealthy playboy and a local screenwriter. Directed by Guy Green, this 1975 drama film stars Kirk Douglas (Mike Wayne), alongside Alexis Smith as Deidre Milford Granger, David Janssen as Tom Colt, George Hamilton as David Milford. Rated 5.2/10, the conclusion has sparked discussion among viewers.
What Happens at the End of Once Is Not Enough?
An over-the-hill movie producer marries a wealthy, spiteful woman and closeted lesbian just to please his spoiled daughter who then, in an attempt to spite him, seduces both a wealthy playboy and a local screenwriter.
How Does Kirk Douglas (Mike Wayne)'s Story End?
- Kirk Douglas: Kirk Douglas's storyline wraps up in the final act, though some viewers have found the resolution more ambiguous than expected.
- Alexis Smith (Deidre Milford Granger): Alexis Smith's role in the climax proves pivotal to how the central conflict resolves.
- David Janssen (Tom Colt): David Janssen's character undergoes a significant shift in the final act.
What Does the Ending of Once Is Not Enough Mean?
The ending of Once Is Not Enough brings the narrative to a close, though viewer reception has been mixed. The resolution of Kirk Douglas's story may not satisfy all audiences.
Once Is Not Enough Real vs. Reel: Is it Based on a True Story?
Is Once Is Not Enough Based on a True Story?
No, Once Is Not Enough is a work of fiction. While the drama, romance film directed by Guy Green and starring Kirk Douglas may incorporate realistic themes, the characters and plot are original creations.
Who Should Watch Once Is Not Enough?
Age Advisory: Rated R — not suitable for younger viewers.
Consider Watching If:
- You're a completist for Drama films
- You're curious despite mixed reviews
- You have low expectations and want casual entertainment
Box Office Collection: Once Is Not Enough
| Metric / Region | Collection (Approx) |
|---|---|
| Worldwide Gross | $15.7M |
| Trade Verdict | FINANCIAL DISAPPOINTMENT |
Where to Watch Once Is Not Enough Online?
Streaming Hub🎟️ Rent on
Amazon VideoOnce Is Not Enough Parents Guide & Age Rating
1975 AdvisoryWondering about Once Is Not Enough age rating or if it's safe for kids? Here is our cinematic advisory:
⏱️ Runtime & Duration
The total runtime of Once Is Not Enough (1975) is 121 minutes (2h 1m). Directed by Guy Green, the film runs for 121 minutes in its complete theatrical version.
Verdict Summary
Analyzing the overall audience sentiment, verified rating of 5.2/10, and global performance metrics, Once Is Not Enough is classified as a AVERAGE. It remains an essential part of the 1975 cinematic calendar.
Frequently Asked Questions
Is Once Is Not Enough worth watching?
Once Is Not Enough is definitely worth watching if you enjoy Drama movies. It has a verified rating of 5.2/10 and stands as a AVERAGE in our box office analysis.
Where can I find Once Is Not Enough parents guide and age rating?
The official parents guide for Once Is Not Enough identifies it as R. Our detailed advisory section above covers all content warnings for families.
What is the runtime of Once Is Not Enough (1975)?
The runtime of Once Is Not Enough (1975) is 121 minutes (approximately 2h 1m).
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.
