Directed by
| Alan Gibson | ||
Writing Credits (in alphabetical order)
| Wilfred Greatorex | ... | (series creator) |
| Edmund Ward | ... | (screenplay) |
Cast (in credits order)
| Edward Woodward | ... | Jim Kyle | |
| Barbara Kellerman | ... | Delly Lomas | |
| Robert Lang | ... | Herbert Skardon | |
| George Murcell | ... | Greaves | |
| Rest of cast listed alphabetically: | |||
| Jonathan Adams | ... | The PCD Officer | |
| Graham Crowden | ... | Dr. Sondeberg | |
| Tony Doyle | ... | Dave Brett | |
| Harry Fielder | ... | PCD Man | |
| Paul Hardwick | ... | Faceless | |
| Clifton Jones | ... | Henry Tasker | |
| Victor Maddern | ... | Sammy Calhoun | |
 |
George Mallaby | ... | Carr |
|
|
Phyllida Nash | ... | The Reporter |
|
|
Antony Scott | ... | Kingston |
| Alan Tucker | ... | Bowden | |
Produced by
| Prudence Fitzgerald | ... | producer |
Music by
| John Cameron | ||
Production Design by
| Rochelle Selwyn | ||
Camera and Electrical Department
| Peter Chapman | ... | film camera |
| Alan Horne | ... | lighting technician |