February 1941: Foyle again pursues a position that would allow him to contribute more to the war effort. But a local murder investigation sidetracks this endeavor as Foyle finds himself caught between rival spy organizations.
| Name | Type | Role | |
|---|---|---|---|
| Anthony Horowitz | Writer | ||
| Keith Thompson | Producer | ||
| Gavin Millar | Director | ||
| William Scott-Masson | Actor | Jacques Dumont | |
| Lydia Leonard | Actor | Marion Greenwood | |
| Ronald Pickup | Actor | Sir Giles Messinger | |
| Murray McArthur | Actor | Guard at Hill House | |
| Anthony Howell | Actor | Sergeant Paul Milner | |
| Michael Kitchen | Actor | Christopher Foyle | |
| Angela Thorne | Actor | Lady Anne Messinger | |
| Rupert Frazer | Actor | Commander Charles Howard | |
| Tony Haygarth | Actor | Leo Maccoby | |
| Geoffrey Freshwater | Actor | Sergeant Eric Rivers | |
| Amanda Pointer | Actor | Admiralty Receptionist | |
| Goran Kostić | Actor | Jan Komorowski | |
| Honeysuckle Weeks | Actor | Samantha Stewart | |
| Paul Brennen | Actor | Eric Stafford | |
| John Grillo | Actor | Watchmaker | |
| Samuel West | Actor | Lt. Col. James Wintringham | |
| Markus Napier | Actor | German SD Officer | |
| Brian Poyser | Actor | Rev. Aubrey Stewart | |
| Jake Harders | Actor | French Agent | |
| Timothy Kightley | Actor | Cooper (Publican) | |
| Deborah Findlay | Actor | Mrs Thorndyke / Evelyn Cresswell | |
| Timothy Carlton | Actor | Admiral James Francis | |
| Raymond Coulthard | Actor | Mark Nicholson | |
| Ellie Haddington | Actor | Hilda Pearce | |
| Mark Berry | Actor | William Messinger/Facteur |