Code Name: Diamond Head

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Code Name: Diamond Head
Code Name- Diamond Head FilmPoster.jpeg
Directed byJeannot Szwarc
Produced byQuinn Martin
Written byPaul King
StarringRoy Thinnes
France Nuyen
Gilbert Lani Kauhi
Distributed byWorldvision Enterprises
NBCUniversal Television Distribution
Release date
  • May 3, 1977 (1977-05-03)
Running time
74 minutes
CountryUnited States

Code Name: Diamond Head is a 1977 American spy film starring Roy Thinnes as an undercover counterintelligence officer known as Diamond Head whose mission is to stop a rogue double agent from stealing the formula for a new chemical weapon. Originally filmed as a pilot for a new television drama (which was never picked up by the networks), it was eventually used for The NBC Monday Movie on U.S. broadcast network NBC.


Johnny Paul (Thinnes) is a flashy gambler and ladies' man living on Oahu. In reality, he is an agent working for secret US government agency. He is assigned to a mission to stop the theft of a deadly new gas, which has the potential to cause instant death upon contact. The substance was being secretly created by a top battalion of Marines at the request of a Pentagon official. However, a double agent had infiltrated the unit, killed the executive, and assumed his identity. Paul uses his image to get close to the double agent, who is known by the pseudonym "Tree". However, once his cover is blown, it's a race against time to stop Tree from selling the secrets to an unnamed foreign power.



The film was featured in a season six episode of Mystery Science Theater 3000.

Home media[edit]

The film is currently available only in VHS format. The Mystery Science Theater version was released on March 27, 2012 as part of the 23rd boxset of the series.


External links[edit]