Was the original actor chosen to play Freder in Fritz Lang's Metropolis, working on the film for three or four weeks before deciding--for whatever reason--to leave the production for good.
After the war he only appeared for the movie "Wiener Mädeln" (1949) in front of the camera.
He was able to continue his career in the 30's but his roles became smaller and also the number of movies he took part reduced.
He lived and worked in Rome from 1938 till 1942. End 1942 he moved back to Austria and lived in Vienna.
The actor André Mattoni became established in the German silent movie era from the middle of the 20's.
Between 1957 and 1964 he was an important co-worker of Herbert von Karajan at the Vienna State Opera. In 1978 he played at the State Opera the part of Old Lord in the opera The Young Lord.