Helmut Förnbacher gained significant recognition for his acting role in Herbert Vesely's critically acclaimed film Das Brot der frühen Jahre. This performance established him as a serious actor in German cinema.
Förnbacher made his directorial debut with the feature film Ich heiße Erwin und bin 34 Jahre alt, which he also co-wrote and starred in. This marked a pivotal career shift from acting to directing.
He achieved critical acclaim for directing and writing the film Die Ameisen kommen, which was nominated for the German Film Award for Best Feature Film. This film solidified his reputation as a director with a distinct vision.