What actors and actresses appeared in Nicole - Entscheidung am Nachmittag 1999?

The film you are asking about, "Nicole - Entscheidung am Nachmittag" (Nicole - Decision in the Afternoon), is actually a 1989 German film, not a 1999 film.

The main actors in the film are:

* Nicole Heesters as Nicole

* Michael Mendl as Dr. Wolf

* Evelyn Künneke as Martha

* Hans-Werner Bussinger as Herbert

This information is readily available on various online resources like IMDb.