Four Dimensions of Greta (1972)

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.

Directed by: Pete Walker

Starring: Tristan Rogers, Karen Boyes, Alan Curtis, Robin Askwith, Leena Skoog, John Clive

Links: IMDb, Movie posters, Movie stills