Career
She dubbed minor roles in several Mission Marple television series, e.g. A Murder Is Announced, A Pocket Full of Rye. Troegner played Mistress Gloop in the 2005 film Charlie and the Chocolate Factory.
Most of her other roles were in German television movies and serials.
In 2009, Troegner published her autobiography Fürs Schubfach zu dick (Too fat to be typecast).