Abrolat's acting career began after World War II and was initially limited to the provincial stage. Then in 1949, he began appearing on television and dubbing films. In 1965, he appeared with Clint Eastwood and future Die Muppet Show co-star Kurt Zips in Sergio Leone's acclaimed spaghetti Western For a Few Dollars More (as outlaw Slim), and appeared in The Castle of Fu Manchu (featured on Mystery Science Theater 3000) and The Bloody Judge. He was also a frequent player in the comedies of German filmmaker Helge Schneider.
As a voice actor, Abrolat dubbed Christopher Lloyd in Star Trek IV, David Ketchum in The Main Event, and Peter Sallis in Who Is Killing the Great Chefs of Europe?. TV dubbing included Davros and others on the original Doctor Who and several guest stars on Columbo and Cheers. Animation roles included Groundskeeper Willie in The Simpsons, Moralelastix in Asterix vs. Caesar, and Unicron in Transformers: The Movie.
Muppet dubbing credits
- as Gonzo unless otherwise noted
- Die Muppet Show
- Muppet Movie (The Muppet Movie)
- Der Grosse Muppet Krimi (The Great Muppet Caper)
- Die fantastische Miss Piggy Show (The Fantastic Miss Piggy Show)
- Die Fraggles (Fraggle Rock): Marlon Fraggle
- Die Muppets erobern Manhattan (The Muppets Take Manhattan)
- Die Muppets feiern Weihnacht (A Muppet Family Christmas)