Scandinavian, 2 men one woman isolated, no one speaks the same language,.....

[SuperStevie]

...a world war: I suspect second, one of the guys is German, they live rough, the woman is dominant and she has two children one from each man.  What is the name please... or am I going mad?  Stevie..

[Rayo Casablanca]

Can you give a rough idea of when you saw the film and when it might of been made? Does the woman speak Swedish or Norwegian?

[Drysmian]

I think it's The Cuckoo.