During the Second World War a British schoolteacher working in Denmark is caught up when the Germans invade.
| Actor | Role |
|---|---|
 Eric PortmanArthur Lawrence | Arthur Lawrence |
 Ann DvorakJoan Grahame | Joan Grahame |
 Karl StepanekFranz von Brinkman | Franz von Brinkman |
 Ronald WardRupert Chessman | Rupert Chessman |
 Ronald AdamGeorge Merrick | George Merrick |
 Felix AylmerSir Alfred Horton | Sir Alfred Horton |
 Brefni O'RorkeSecurity Officer | Security Officer |
 A.E. MatthewsSir Thomas Leighton | Sir Thomas Leighton |
 Ivor BarnardHenry Waud | Henry Waud |
 David PeelLt. Peter Leighton | Lt. Peter Leighton |
 Charles VictorPetty Officer Flanagan | Petty Officer Flanagan |
 George MerrittWorks Manager | Works Manager |
 Marjorie RhodesMrs. Pickles | Mrs. Pickles |
| JJohn RuddockJim | Jim |
| FFrederick CooperGösta | Gösta |
| LLily KannKarin Möller | Karin Möller |
| RRichard GeorgeAdmiral of Operations | Admiral of Operations |
| JJames PirrieReporter | Reporter |
| DDoyley JohnLt. Commander | Lt. Commander |
| NNorman WhitcombBrinkmann's Secretary | Brinkmann's Secretary |