Young Eadie Hastings cannot be saved by Danno from jumping of a cliff, and Five-O think that she was high on speed. They track her source to a crank teacher, Professor David Stone, and Danno must pose as a surfer to investigate the drug pushers and users.
| Name | Type | Role | |
|---|---|---|---|
| Mel Goldberg | Writer | ||
| Susan O'Connell | Guest Star | ||
| Gray Gleason | Guest Star | ||
| James C. Bertino | Guest Star | ||
| Brenda Scott | Guest Star | ||
| Earl Thompson | Guest Star | ||
| Doreen Lang | Guest Star | ||
| Ed Flanders | Guest Star | ||
| Robert Ing | Guest Star | ||
| John McLiam | Guest Star | ||
| Raymond Kauhane | Guest Star | ||
| David P. Harmon | Director | ||
| Seymour Robbie | Director |