In the Film, she then appeared in the Comedy film "fire under the Deck" with Manfred Krug. As Ingrid "Sunny" Sommer played in 1980 in Konrad wolf's "Solo Sunny" is an aspiring Jazz singer, which fails due to the resistance of a male-dominated society. For this, they got in the same year, the Silver bear at the Berlinale for best actress.

As the Film of the GDR cultural bureaucracy, miss fell, got Krößner long time no roles more. So you introduced in 1983 for an exit visa and traveled in 1985 with her son and her partner, the actor Bernd Stegemann, to West Berlin.

In the West, they could continue their careers and played at theatres in Basel, at the Residenz theater Munich and at the Berlin Schaubühne. She also appeared in television roles, including "Tatort" and TV series such as "Liebling Kreuzberg", "Stubbe - from case to case," in addition to Wolfgang Stumph and "Once a COP, always a COP". To roll the movie included appearances including appearances in "heroes like us" and "All sugar". No distance, no masks: hundreds of spectators at a football match in Strasbourg PCP No distance, no masks: hundreds of spectators at a football match in Strasbourg