When an elderly importer who was a World War II Japanese spy is killed, Five-O seeks his killer.
| Name | Type | Role | |
|---|---|---|---|
| Larry Forrester | Writer | ||
| Bob Apisa | Guest Star | ||
| Don Porter | Guest Star | ||
| Joe Kuon | Guest Star | ||
| Mako | Guest Star | ||
| Haunani Minn | Guest Star | ||
| Arte McCullough | Guest Star | ||
| Herbert Kobayashi | Guest Star | ||
| C. K. Huang | Guest Star | ||
| Charles M. W. Chang | Guest Star | ||
| Henry K. F. Lee | Guest Star | ||
| Moe Keale | Guest Star | ||
| Reverend Jo Shinsho | Guest Star | ||
| Lew Ayres | Guest Star | ||
| Bruce Bilson | Director |