

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.
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Cast

Roy Thinnes
Johnny Paul

France Nuyen
Tso-Tsing

Zulu
Zulu

Ward Costello
Captain Macintosh

Don Knight
H.K. Muldoon

Ian McShane
Sean Donovan / Father Horton / Colonel Millard Butler

Eric Braeden
Ernest Graeber

Dennis Patrick
Commander Yarnell
Alex Henteloff
Dr. Edward Sherman

Frank Michael Liu
Hikaru Sakai

Eric Christmas
Father Murphy

Ernest Harada
Hero Yamamoto
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