| William Hartnell | as | Sgt Major Percy Bullimore (S 1,2,5) | |
| Michael Medwin | as | Corporal Springer (Series 1-3) | |
| Alfie Bass | as | Private 'Bootsie' Bisley (Series 1-4) | |
| Norman Rossington | as | Private 'Cupcake' Cook (Series 1-3) | |
| Charles Hawtrey | as | Private 'Professor' Hatchett (S 1-2) | |
| Bernard Bresslaw | as | Private 'Popeye' Popplewell (S 1-2) | |
| Bill Fraser | as | Sgt Major Claude Snudge (Series 2-4) | |
| Geoffrey Sumner | as | Major Upshot-Bagley (Series 1,2,5) | |
| Bernard Hunter | as | Captain Pilsworthy (Series 2) | |
| Ted Lune | as | Private Leonard Bone (Series 3-5) | |
| Harry Fowler | as | Corporal 'Flogger' Hoskins (Series 3-5) | |
| Frank Williams | as | Captain Pocket (Series 3-5) | |
| C B Poulter | as | Major Geoffrey Duckworth (Series 3) | |
| Mario Fabrizi | as | L/Corporal 'Moosh' Merryweather (S 4-5) | |
| Harry Towb | as | Private Dooley (Series 4) | |
| Robert Desmond | as | Private Baker (Series 4) |
Series: 5
Episodes: 154
Transmitted: 1957-1961
Channel: ITV
Granada Television