Writing

2021

… Screenplay

2014

… Screenplay

2010

… Writer

2006

… Author

2004

… Screenplay

2002		Das Haus der toten Augen … Writer
2002		Das Schloss des Grauens … Writer

2000

… Screenplay

1992

… Screenplay

1989

… Author

1987

… Screenplay

1985

… Screenplay