Tatyana Dogileva in 'Vakansiya' (1981)

Full title: Вакансия - Vakansiya (1981) Russia
Actress: Tatyana Dogileva (1957), Marina Yakovleva (1959)
Director: Margarita Mikaelyan
IMDB: http://www.imdb.com/title/tt0083273

This is a great scene, because it is totally accidental, and is nearly a double!