Thanks to a broken leg, Jeff is a captive audience (in a hospital bed) while Marty recounts the greatest case the Randall and Hopkirk office ever handled, involving MI5, spies, and a list of British agents Marty was tricked into stealing from a defense minister's home.
| Name | Type | Role | |
|---|---|---|---|
| Gerald Kelsey | Writer | ||
| Marne Maitland | Guest Star | ||
| Jack MacGowran | Guest Star | ||
| Jack Lambert | Guest Star | ||
| James Culliford | Guest Star | ||
| Thomas Heathcote | Guest Star | ||
| Martin Carroll | Guest Star | ||
| Peter Cellier | Guest Star | ||
| John Boxer | Guest Star | ||
| Alan MacNaughton | Guest Star | ||
| Hilary Wontner | Guest Star | ||
| Geoffrey King | Guest Star | ||
| John Collin | Guest Star | ||
| Ian Butler | Guest Star | ||
| Cyril Frankel | Director |