 | Professor Heatherville |
 | Professor Laxton-Jones |
 | Dr. McVitie |
 | Dr. Dainty |
 | Mr. Watlington |
 | Sir Duncan Wilson Wills |
Dr. Wainwright | |
 | Lieut. Commander Lowther |
Mrs. Watlington | |
 | Mrs. Laxton-Jones |
 | Mrs. McVitie |
 | Mrs. Dainty |
 | Jack Arnold |
 | Squadron Leader Sowerby |
 | Group Capt. Aspinall |
 | Flight Sgt. Cox |
 | Warrant Officer |
Air Marshal Cotter | |
 | Wives' escort officer |
 | Sdr. Ldr. Slatter |
 | Sdr. Ldr. Buckley |
 | Flt. Lt. Argylle |
 | Flt. Lt. Norton |
Flying Officer Davies | |
Air Vice-Marshal | |
 | Wing Cdr. Allen |
Flg. Off. Ogden | |
 | Daphne Adams |
Penelope Birkenshaw | |
Phyllis Hammond | |
 | WAAF Flight Sergeant |
 | WAAF Teller |
 | Major |
 | Captain |
 | Paratroop Sergeant (as Bill Rowbotham) |
 | 1st Commando |
2nd Commando | |
3rd Commando | |
4th Commando | |
5th Commando | |
6th Commando | |
 | Dr. Klemmerhahn |
Lt. Hense | |
1st Sentry | |
2nd Sentry | |
 | Mrs. Arnold |
 | Sir Desmond Prosser |
 | Sir Nicholas Hathaway |
 | Old Retainer |
 | 1st Club Member |
 | 2nd Club Member |
3rd Club Member | |
 | BBC Announcer (voice) |
 | |
 | Bomb Aimer |
 |