Sherlock Holmes races against time in order to find the location of a bomb that was planted somewhere in London by an extortionist.
| Name | Type | Role | |
|---|---|---|---|
| Sidney Morse | Writer | ||
| Sheldon Reynolds | Writer | ||
| Pierre Gay | Guest Star | ||
| Roland Bartrop | Guest Star | ||
| Richard Larke | Guest Star | ||
| Steve Previn | Director |