Distribution et crédits de « Umbruch »
Sound
-
Hans Künzi
sound
-
Dieter Lengacher
sound
-
Bruno Spoerri
music
Editing
-
Rainer Trinkler
editor
Camera
-
Pio Corradi
director of photography
Directing
-
Hans-Ulrich Schlumpf
director
Writing
-
Hans-Ulrich Schlumpf
screenplay