Japanese communists attempt to take over Hawaii and only Dr. Jim Ransom can stop them.
| Actor | Role |
|---|---|
 Lex BarkerDr. Jim Ransom | Dr. Jim Ransom |
 Mari BlanchardAnn McRae | Ann McRae |
 James WesterfieldHarvey Mathews | Harvey Mathews |
 Glenn LanganRoger McRae | Roger McRae |
| MMiyoko SasakiKimi-San Grey | Kimi-San Grey |
 Rhodes ReasonMajor Richard 'Dick' Grey | Major Richard 'Dick' Grey |
| GGlenn DixonFelix Agung | Felix Agung |
 Bob OkazakiKuji | Kuji |
| GGerald FrankCorporal | Corporal |