78 minutes
5/3/1977
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.
Roy Thinnes
as Johnny Paul
France Nuyen
as Tso-Tsing
Zulu
as Zulu
Ward Costello
as Captain Macintosh
Don Knight
as H.K. Muldoon
Ian McShane
as Sean Donovan / Father Horton / Colonel Millard Butler
Eric Braeden
as Ernest Graeber
Dennis Patrick
as Commander Yarnell
Alex Henteloff
as Dr. Edward Sherman
Frank Michael Liu
as Hikaru Sakai
Eric Christmas
as Father Murphy
Ernest Harada
as Hero Yamamoto
Harry Endo
as Dr. En-Ping
Lee Stetson
as Tanner