She herself has performed in the film Die Wilden Hühner (2006), as well as its sequel Die wilden Hühner und die Liebe (2007), based on the Wild Chicks books by Cornelia Funke.
Her films include the Die wilden Hühner series (based on novels by Cornelia Funke), Wellen (2005, based on a novel by Eduard von Keyserling), and two Tatort episodes.
Cornelia Funke | Cornelia Parker | Cornelia Otis Skinner | Cornelia (rose) | Cornelia (gens) | Cornelia Connelly | ''Cornelia'' | Cornelia | Funke Akindele | Cornelia van der Mijn | Cornelia Oberlander | Cornelia Meigs | Cornelia Dahlgren | Cornelia Street Cafe | Cornelia Sorabji | Cornelia Rau | Cornelia Pieper | Cornelia "Nina" Pillard | Cornelia Frances | Cornelia A. Clark | ''Cornelia |
In 2006, Wiegratz starred in the eponymous film version of Cornelia Funke's Die Wilden Hühner as a member of an all-boys group called the Pygmies, and returned for a sequel the following year.
It has introduced many new successful authors, including Cornelia Funke, Roderick Gordon and Brian Williams, Kevin Brooks, Lucy Christopher and Rachel Ward.