This film, as its tagline states, was shot on location in the countries of Italy, Burma, Switzerland, France and Germany.
Marisa Mell's first Italian film. She arrived in Rome in late 1964 and learned Italian in less than four months.
The scene in which a couple make love in a bed in a historic house open to the public may have been inspired by Nancy Mitford's novel The Blessing (1951), in which such an incident occurs.
Italian censorship visa # 45595 delivered on 8-9-1965.