A German spy is dispatched to Britain to search out targets for a planned invasion.
Edmund Gwenn
Tom Brown
Mary Maguire
Betty Brown
Paul Henreid
Victor Brandt
Geoffrey Toone
Peter Templeton
Richard Ainley
Geoffrey Brown
Desmond Tester
Billy Brown
Carl Jaffe
Martin
Meinhart Maur
Waldo
Mavis Villiers
Dolly
Mark Lester
Uncle Ben
