WatchTower

Movies TV Series Community Towers

Backdrop

Code Name: Diamond Head

Film

Code Name: Diamond Head

3.0

1h 18m

1977

Synopsis

A failed Quinn Martin pilot for a series starring a Hawaii-based government counter intelligence agency run by the indomitable Aunt Mary. In this, his only adventure, Diamond Head has to prevent the evil Tree from stealing a deadly nerve toxin gas and selling it to foreign powers. To help Diamond Head is the Dragon Lady and Zulu.

Director

Jeannot Szwarc

CrimeDramaTV Movie

Where to Watch

Data provided by JustWatch

Cast & Crew

Roy Thinnes

Roy Thinnes

as Johnny Paul

France Nuyen

France Nuyen

as Tso-Tsing

Zulu

Zulu

as Zulu

Ward Costello

Ward Costello

as Captain Macintosh

Don Knight

Don Knight

as H.K. Muldoon

Ian McShane

Ian McShane

as Sean Donovan / Father Horton / Colonel Millard Butler

Eric Braeden

Eric Braeden

as Ernest Graeber

Dennis Patrick

Dennis Patrick

as Commander Yarnell

Alex Henteloff

as Dr. Edward Sherman

Community0 Reviews

No community critiques yet.

Track movies and TV shows you've watched, build curated collections, and discover what to watch next.

Discover

Movies
TV Shows
Community
Towers

Your Library

Watchlist
Watch History
Create Tower

Account

Sign In
Create Account

© 2026 WatchTower. All rights reserved.