At 26, she went to the in Munich and completed her training as an actress.
Kramer took singing lessons with and acting lessons with in the Method.
She has two brothers and a son who was born in 1997 from her relationship with.
She worked as a shop window designer, made portraits of tourists in , and applied to fashion school without success.
In 2008, Stefan Loeffler wrote a biography of Kramer titled Ann-Kathrin Kramer - Begegnungen Ann-Kathrin Kramer - Encounters.