A man hires Diamond to investigate an outer space society which he suspects is out to bilk his rich uncle since they have talked him into leaving the society $100,000 in his will.
| Name | Type | Role | |
|---|---|---|---|
| David T. Chantler | Writer | ||
| Stephen Chase | Guest Star | ||
| Robert Dix | Guest Star | ||
| Luis Van Rooten | Guest Star | ||
| Ellen Corby | Guest Star | ||
| Douglas Dick | Guest Star | ||
| Leigh Jason | Director |