Code Name: Diamond Head

  • 1977
  • Not Rated
  • 78m
movieMx RATING
3.3
13
VERDICT
FLOP
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Code Name: Diamond Head Review: Story, Cast, Rating & Final Verdict

Last updated: May 9, 2026

movieMx Editorial
📅 Updated: May 9, 2026 🎟️ Verified Screening

Movie Overview: Code Name: Diamond Head

MovieCode Name: Diamond Head
Release Year1977
DirectorJeannot Szwarc
GenreCrime / Drama / TV Movie
Runtime78 minutes (1h 18m)
LanguageEN

🎬 Quick Verdict: Hit or Flop?

Is Code Name: Diamond Head (1977) worth watching? According to our cinematic analysis, the film stands as a FLOP with a verified audience rating of 3.3/10. 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 Code Name: Diamond Head are led by Roy Thinnes . The supporting cast, including France Nuyen and Zulu , provides the necessary layers to the central narrative.

💡 movieMx Verdict: Is it Worth Your Time?

After analyzing the verified data, our assessment of Code Name: Diamond Head (1977) is disappointing. Even for die-hard fans, this one is a tough sell. With a platform rating of 3.3/10, it currently stands as a FLOP in our database.

What Works in the Movie

While Code Name: Diamond Head does not fully realize its potential, it still contains moments that may appeal to viewers who enjoy Crime films.

  • Interesting concept or premise
  • Some entertaining scenes
  • Supporting cast delivers occasional highlights

What Doesn't Work

Despite its strengths, Code Name: Diamond Head 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: Code Name: Diamond Head

Quick Plot Summary: Released in 1977, Code Name: Diamond Head is a Crime, Drama, TV Movie film directed by Jeannot Szwarc, written by Paul King. 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 Roy Thinnes as Johnny Paul.

Ending Explained: Code Name: Diamond Head

Code Name: Diamond Head Ending Explained: Directed by Jeannot Szwarc, Code Name: Diamond Head attempts to bring together the film’s narrative threads. The ending highlights the core crime themes developed throughout the film.

The emotional resolution focuses on the transformation of its main characters, particularly in scenes involving Roy Thinnes. The interpretation of the ending may vary among viewers.

Key Elements of the Ending

  • Narrative Resolution: The story resolves its primary conflict while leaving room for interpretation.
  • Character Development: Character motivations become clearer by the final scenes.
  • Thematic Message: The ending reinforces the crime themes introduced earlier in the film.

The final moments of Code Name: Diamond Head reflect the creative choices of the filmmakers and align with the tone of the narrative.

Code Name: Diamond Head Real vs. Reel: Is it Based on a True Story?

Is Code Name: Diamond Head Based on a True Story?

Code Name: Diamond Head draws from real criminal cases and investigative records. As a crime, drama, tv movie film directed by Jeannot Szwarc, the production explores how real events can be adapted into a dramatic narrative.

Real Story vs Movie Version

The film takes creative liberties to strengthen its narrative. Certain scenes are likely dramatized to enhance emotional impact.

While inspired by real events, the narrative focuses more on storytelling than strict historical accuracy.

Accuracy Assessment: Code Name: Diamond Head uses real-life inspiration as the foundation for a dramatized narrative. The film prioritizes thematic storytelling over strict documentary accuracy.

Who Should Watch Code Name: Diamond Head?

Age Advisory: Rated Not Rated.

Consider Watching If:

  • You're a completist for Crime films
  • You're curious despite mixed reviews
  • You have low expectations and want casual entertainment

At just 78 minutes, it's a quick watch.

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Where to Watch Code Name: Diamond Head Online?

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Code Name: Diamond Head Parents Guide & Age Rating

1977 Advisory
Not Rated

Official Age Rating

Wondering about Code Name: Diamond Head age rating or if it's safe for kids? Here is our cinematic advisory:

Code Name: Diamond Head has not been officially rated yet. Based on its genres (Crime, Drama, TV Movie), it contains mature themes, violence.

⏱️ Runtime & Duration

The total runtime of Code Name: Diamond Head (1977) is 78 minutes (1h 18m). Directed by Jeannot Szwarc, the film runs for 78 minutes in its complete theatrical version.

Verdict Summary

Analyzing the overall audience sentiment, verified rating of 3.3/10, and global performance metrics, Code Name: Diamond Head is classified as a FLOP. It remains an essential part of the 1977 cinematic calendar.

FLOP
Official movieMx status for Code Name: Diamond Head. Rating: 3.3/10

Frequently Asked Questions

Is Code Name: Diamond Head worth watching?

Code Name: Diamond Head is definitely worth watching if you enjoy Crime movies. It has a verified rating of 3.3/10 and stands as a FLOP in our box office analysis.

Where can I find Code Name: Diamond Head parents guide and age rating?

The official parents guide for Code Name: Diamond Head identifies it as Not Rated. Our detailed advisory section above covers all content warnings for families.

What is the runtime of Code Name: Diamond Head (1977)?

The runtime of Code Name: Diamond Head (1977) is 78 minutes (approximately 1h 18m).

🛡️

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
★ 3.3
Code Name: Diamond Head
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