Incident at Echo Six (1958) Online
| Cast overview, first billed only: | |||
 | Allan Cuthbertson | - | Lieutenant-Colonel Manning |
 | Barry Foster | - | 2nd Lieutenant Savage |
 | Derrick Sherwin | - | 2nd Lieutenant Carroll |
 | John Barrie | - | Inspector Burrows |
 | Jerold Wells | - | Police Sergeant Carter |
| Dudley Foster | - | Sergeant Carmichael |
| John Scott | - | Major Mallachy |
| John Gordon | - | Adjutant |
 | Keith Baxter | - | Duty officer |
| Lionel Wheeler | - | Intelligence officer |
| Nicholas Light | - | Lieutenant Johnson |
| Ian MacNaughton | - | Sergeant Stuart |
| Michael Bird | - | Company commander |
| Michael Wynne | - | Second in command |
| Norman Johns | - | Sergeant-Major |
This was the first TV play written by Troy Kennedy-Martin.