He became a well-known voice actor of characters in children audio plays, particularly the kobold Pumuckl (including its TV and cinematic film adaptations), the German voice of René Goscinny and Albert Uderzo's diminutive Gaulish hero Asterix (in circa 30 German audioplay adaptations of the Asterix comic books, produced and published 1986-1992 under the Europa label), and the ghost Hui Buh.
He made his début appearance in 1950 in Franz Grillparzer's play Weh dem, der lügt ("Woe to him who lies").
From 1952 until 1967 he was employed by the Bavarian State Theatre in Munich, where he appeared in plays such as A Midsummer Night's Dream, Leonce and Lena, Woyzeck and The Blue Angel, and gained a reputation as a character actor who excelled in both comic and dramatic roles, as well as musicals and opera.
[1] He made his first appearance on film in 1952, playing the title role in Zwerg Nase, based on a fairy tale by Wilhelm Hauff.
He went on to appear in over 100 television and feature films, including The Haunted Castle (1960), The Indian Scarf (1963) and Pippi Longstocking (1969).