| Bill Travers |
Major Freddie Oppenheimer |
| Spike Milligan |
Lt. Godfrey Pringle |
| John Le Mesurier |
The Colonel |
| Gregoire Aslan |
Major Pierre Debrie |
| Maurice Denham |
Dr. Barker |
| Millicent Martin |
Sister Kay Manning |
| Thorley Walters |
Lt. Commander Cummings |
| Thelma Ruby |
Matron |
| Cyril Luckham |
Colonel Harbottle |
| Alexander Archdale |
War Office Brigadier |
| Bernard Hunter |
War Office Coding Officer |
| John Wood |
War Office Duty Officer |
| David Lander |
Maquis Leader |
| Eric Sykes |
German Band Conductor |
| William Mervyn (as Bill Mervyn) |
Naval Officer |
| Peter Swanwick |
German Gun Commander |
| Ernst Ulman |
Small German Sergeant |
| Ian Ainsley |
German Officer |
| Gerald Case |
Medical Board Officer |
| John Dunbar |
Medical Board Officer |
| Charles Brodie |
Maquis Deputy Leader |
| John Crocker |
The Storeman |