When a leader of a student peace movement is killed, McGarrett has to investigate the murder against a wall of silence and a distrust of the police by the activists.
| Name | Type | Role | |
|---|---|---|---|
| Mark Rodgers | Writer | ||
| Jadeen Vaughn | Guest Star | ||
| Dennis Cooney | Guest Star | ||
| Lee Paul | Guest Star | ||
| Stewart Moss | Guest Star | ||
| Ann Prentiss | Guest Star | ||
| Linda Ansai | Guest Star | ||
| Tim Tindall | Guest Star | ||
| Sperry MacNaughton | Guest Star | ||
| Chuck Couch | Guest Star | ||
| Walter P. Young | Guest Star | ||
| Abner Biberman | Director |