Katrin Sass ( for a time Katrin Saß ) is a German actress . She has an uncommon distinctively firm feminine voice , and became known internationally for playing the idealistic socialist mother Christiane Kerner in the 2003 tragicomedy '' Good Bye , Lenin ! '' She was born in Schwerin , in the former East Germany , which is now the capital of the Federal State of Mecklenburg-Vorpommern . Before German reunification , she was a well-known film and stage actress in the German Democratic Republic . She made her film debut at age 23 in the 1979 film '' Bis daß der Tod euch scheidet '' , where she portrayed a disillusioned young wife . She won the Silver Bear for Best Actress at the 32nd Berlin International Film Festival for her role in the 1981 film '' Bürgschaft für ein Jahr '' . In 2011 , she appeared in the music video of " Wir Sind am Leben " by the Berlin music duo Rosenstolz
32nd Berlin International Film Festival
32nd Berlin International Film Festival
Katrin Sass