Was awarded the Max Reinhardt Prize in 1930 as best up-and-coming actress, presented by Reinhardt himself.
She was a close friend of the actor Joachim Gottschalk. His suicide in 1943 affected her so much, that she began to suffer from severe asthma attacks and forced to undergo treatment in Davos, Switzerland. As a result, she made no further film appearances after The Adventures of Baron Munchausen (1943) until two years after the war.
Moved to the United States after her mother`s death to open the Karen
Horney clinic in New York City, in honor of her achievements, and
finally became US citizen (1953).
Was a left hander.
One of the great German actresses, she received an Honorary Bambi award in 1965 for her impressive career and her performances that have "graced the screen".