Hans a young German journalist arrives in London to write an article about au-pair girls, but is requested by friends to investigate the whereabouts of their teenage daughter Greta.
Swing with Greta in 3D
Did You Know?
Britain's very first 3D feature film. See more
In the opening flashback scene the monocle worn by Hans' boss disappears and reappears between shots. See more
[Before closing credits] a good cast is worth repeating See more
By Hal Shaper
and Harry South
Sung by Huckleberry Fynn See more