Buildings are being set on fire on Sundays, and a known firebug is the top suspect. However, McGarrett begins to think that others may be responsible.
| Name | Type | Role | |
|---|---|---|---|
| Jerome Coopersmith | Writer | ||
| Bernard Ching | Guest Star | ||
| Jo Pruden | Guest Star | ||
| Clarence Garcia | Guest Star | ||
| Jean Tarrant | Guest Star | ||
| Lyle Bettger | Guest Star | ||
| Chuck Couch | Guest Star | ||
| David Lippy Espinda | Guest Star | ||
| Tom Simcox | Guest Star | ||
| Richard Kuga | Guest Star | ||
| Kwan Hi Lim | Guest Star | ||
| Reri Tava Jobe | Guest Star | ||
| Michael Anderson Jr. | Guest Star | ||
| Michael O'Herlihy | Director |