| Name | Character | Team | |
|---|---|---|---|
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G.H. Mulcaster | Air-Vice Marshal (as George Mulcaster) | Unowned |
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Patric Curwen | Major General Lecturer | Unowned |
| Carleton Hobbs | Cabinet Minister Sir Geoffrey | Unowned | |
| Jack Vyvyan | Butcher (as Jack Vivyan) | Unowned | |
| Charles Denville | Baker | Unowned | |
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Norman Wooland | Candlestick Maker | Unowned |
| Arthur Metcalfe | Rich Man | Unowned | |
| Peter Cozens | Poor Man | Unowned | |
| Foster Carling | Apothecary | Unowned | |
| Cyril Chosack | Gunner (uncredited) | Unowned | |
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Charles Hawtrey | Cashier-Searchlight Operator (uncredited) | Unowned |
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Michael Rennie | Chemist-Radio Operator (uncredited) | Unowned |
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Richard Todd | Orderly (uncredited) | Unowned |