West visits an eerie island to get a diamond left to the National Museum. Once there, he meets Sir Nigel Scott of Scotland Yard, and together they must defeat a master criminal named Calendar.
| Name | Type | Role | |
|---|---|---|---|
| Robert E. Kent | Writer | ||
| Christian Anderson | Guest Star | ||
| Robert H. Harris | Guest Star | ||
| Jon Lormer | Guest Star | ||
| Gene Tyburn | Guest Star | ||
| Pat O'Hara | Guest Star | ||
| James Westerfield | Guest Star | ||
| Yvonne Shubert | Guest Star | ||
| John Williams | Guest Star | ||
| Beverly Garland | Guest Star | ||
| Jana Taylor | Guest Star | ||
| Richard Erdman | Guest Star | ||
| Lorna Lewis | Guest Star | ||
| Marvin Chomsky | Director |