Code Name: Diamond Head

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

Harry Endo

Dr. En-Ping

Lee Stetson

Tanner