
A abortive Quinn Martin pilot centers on a Hawaii‑based government counter‑intelligence unit led by the formidable Aunt Mary. Agent Diamond Head’s sole mission is to stop the villainous Tree from stealing a lethal nerve‑toxin gas and selling it abroad. He is aided by the mysterious Dragon Lady and the operative Zulu. The pilot never aired.
Does Code Name: Diamond Head have end credit scenes?
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Code Name: Diamond Head does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Code Name: Diamond Head, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Ian McShane
Sean Donovan / Father Horton / Colonel Millard Butler

Roy Thinnes
Johnny Paul

Eric Christmas
Father Murphy

Ernest Harada
Hero Yamamoto

Eric Braeden
Ernest Graeber

Don Knight
H.K. Muldoon

Ward Costello
Captain Macintosh

Alex Henteloff
Dr. Edward Sherman

France Nuyen
Tso-Tsing

Dennis Patrick
Commander Yarnell

Frank Michael Liu
Hikaru Sakai

Lee Stetson
Tanner

Zulu
Zulu

Harry Endo
Dr. En-Ping
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