The Berlin Affair (1985)

"The Berlin Affair" (1985), directed by Liliana Cavani, features some nudity but is not as explicit as one might expect given its thematic elements.
The primary actors, Gudrun Landgrebe, Kevin McNally, and Mio Takaki, do not have prominent nude scenes. While there are intimate scenes, these are often described as fully clothed or less explicit than might be anticipated.
Other Nudity:
Gudrun Landgrebe is noted for a sexy scene but not necessarily nude.
Mio Takaki appears with bare buns in one scene, but this is one of the few instances of nudity from the main cast.
Silke Meyer, a nude model, provides some of the film's more explicit nudity, described as "bonus boobage."