Vergeen was born in Berlin in 1943, and in 1965 she graduated from the Westphalian Drama School in Bochum. She then worked for a long time at various theaters, such as the Schauspielhaus Bochum (1965-66), the Theater Freiburg (1966-68), the Grillo Theater Hessen (1968-70), the Theater Oberhausen (1970-72) and the Staatstheater Stuttgart (1972-77).
After that, she made guest appearances in numerous theaters, including Schauspiel Frankfurt, Burgtheater Wien, Théâtre des Capucins Luxembourg and Ernst Deutsch Theater Hamburg.
She can currently be seen in the feature film “A Handful of Water” in which she convincingly gets to the heart of her role’s character despite making only a few appearances, and brings a smile to the viewer’s lips. She herself also liked the film very much when she watched it later, especially because the film was so brave, she said, relying primarily on emotion. Most German films don’t do that, according to Vergeen.