When Colonel March is called in to investigate the kidnapping of a little boy's pet, it leads him to a smuggling racket, and a stolen diamond.
| Name | Type | Role | |
|---|---|---|---|
| Arthur Behrstock | Writer | ||
| Doris Nolan | Guest Star | ||
| Michael Shepley | Guest Star | ||
| Eliot Makeham | Guest Star | ||
| Kit Terrington | Guest Star | ||
| Cameron Hall | Guest Star | ||
| John Boxer | Guest Star | ||
| Bernard Knowles | Director |