Asphalt

1929 · Writer

Diane - Die Geschichte einer Pariserin

1929 · Writer

Varieté

1935 · Writer

Here's Berlin

1932 · Writer

Four Around the Woman

1921 · Writer

Death Cheat

1922 · Writer

Das Geheimnis von Bombay

1921 · Writer

Variety

1935 · Writer

I Kiss Your Hand, Madame

1929 · Writer

Thamar, das Kind der Berge

1924 · Writer

Maciste e la figlia del re dell'argento

1923 · Writer

Die Nacht der Entscheidung

1938 · Writer

The Farmer from Texas

1925 · Writer

Gold

1934 · Writer

Mask in Blue

1943 · Writer

Malva

1924 · Writer

L’Or

1934 · Writer

Die Durchgängerin

1928 · Writer

Die Silbermöve

1922 · Writer

Tango Notturno

1937 · Writer