Investigating a client's suspicious suicide leads Rex to a strange island under the sway of a mysterious blackmailer.
| Name | Type | Role | |
|---|---|---|---|
| Gregory Gaye | Guest Star | ||
| Geraldine Wall | Guest Star | ||
| James Drury | Guest Star | ||
| Jock Gaynor | Guest Star | ||
| Jay Novello | Guest Star | ||
| Diane McBain | Guest Star | ||
| Roxane Berard | Guest Star | ||
| Jackie Russell | Guest Star |