From his home in California, Simon's friend Jack is investigating the deaths of three prominent scientists. Shortly after making an important discovery, Jack is murdered, and the killer threatens to come after Simon.
| Actor | Role |
|---|---|
| SSimon DuttonSimon Templar | Simon Templar |
 David RyallTeal | Teal |
 Dinsdale LandenLeard | Leard |
 Shane RimmerBob Harrison | Bob Harrison |
| MMalcolm StoddardRiver | River |
 Pamela Sue MartinIrina | Irina |
 Colin BruceJack Rushton | Jack Rushton |
 Artus de PenguernCharles | Charles |
 Nick MaloneyPotash | Potash |
| AAmanda ElwesAntoinette | Antoinette |