The quiet village of Bramley End is taken over by German troops posing as Royal Engineers. Their task is to disrupt England's radar network in preparation for a full scale German invasion. Once the villagers discover the true identity of the troops, they do whatever they can to thwart the Nazis plans.
| Actor | Role |
|---|---|
 Leslie BanksOliver Wilsford | Oliver Wilsford |
 Elizabeth AllanPeggy | Peggy |
 Frank LawtonTom Sturry | Tom Sturry |
 Basil SydneyMajor Hammond / Kommandant Orlter | Major Hammond / Kommandant Orlter |
 Valerie TaylorNora Ashton | Nora Ashton |
 Mervyn JohnsCharlie Sims | Charlie Sims |
 Edward RigbyBill Purvis | Bill Purvis |
 Marie LohrMrs. Dolly Fraser | Mrs. Dolly Fraser |
 C. V. FranceThe Vicar Ashton | The Vicar Ashton |
 David FarrarLieutenant Jung | Lieutenant Jung |
| MMuriel GeorgeMrs. Collins | Mrs. Collins |
 Thora HirdIvy | Ivy |
| NNorman PierceJim Sturry | Jim Sturry |
 Harry FowlerYoung George | Young George |
 Patricia HayesDaisy | Daisy |
 Hilda BayleyCousin Maud | Cousin Maud |
 Johnnie SchofieldJoe Garbett | Joe Garbett |
| EEllis IrvingHarry Drew | Harry Drew |
| PPhilippa HiattMrs. Bates | Mrs. Bates |
 Grace ArnoldMrs. Owen | Mrs. Owen |
 John SlaterSergeant | Sergeant |
 Eric MicklewoodSoldier | Soldier |