 The Blue Angel1959 · Screenplay | Screenplay |
 Lights of Paris1938 · Writer | Writer |
 Crossroads1938 · Writer | Writer |
 Caravane1934 · Writer | Writer |
 Liliom1934 · Writer | Writer |
 Waltz War1933 · Writer | Writer |
| EEarly to Bed1933 · Screenplay | Screenplay |
 The Only Girl1933 · Writer | Writer |
 I by Day, You by Night1932 · Writer | Writer |
 The Man Without a Name1932 · Writer | Writer |
 Tumultes1932 · Writer | Writer |
 The Winner1932 · Writer | Writer |
 The Tempest1932 · Writer | Writer |
 Yorck1931 · Writer | Writer |
 Congress Dances1931 · Writer | Writer |
 About an investigation1931 · Writer | Writer |
 Inquest1931 · Writer | Writer |
 Princess, At Your Orders!1931 · Writer | Writer |
 Her Grace Commands1931 · Writer | Writer |
 In the act1931 · Writer | Writer |
 Menschen im Feuer1931 · Writer | Writer |
 Burglars1930 · Writer | Writer |
 Darling of the Gods1930 · Writer | Writer |
 The Blue Angel1930 · Writer | Writer |
 The Immortal Vagabond1930 · Writer | Writer |
 Liebeswalzer1930 · Writer | Writer |
 Wenn du einmal dein Herz verschenkst1929 · Writer | Writer |
 The Convict from Stamboul1929 · Writer | Writer |
 Manolescu, the Prince of Swindlers1929 · Writer | Writer |
| DDer schwarze Domino1929 · Writer | Writer |
 Männer ohne Beruf1929 · Writer | Writer |
| DDie Mitternachts-Taxe1929 · Writer | Writer |
 Her Dark Spot1929 · Writer | Writer |
| DDer Raub der Sabinerinnen1928 · Writer | Writer |
 The Blue Mouse1928 · Writer | Writer |
| SSeine stärkste Waffe1928 · Writer | Writer |
 Secrets of the Orient1928 · Writer | Writer |
 The Last Night1928 · Screenplay | Screenplay |
 Man Against Man1928 · Writer | Writer |
 Looping the Loop1928 · Screenplay | Screenplay |
 Zwei rote Rosen1928 · Writer | Writer |
 Charlott etwas verrückt1928 · Writer | Writer |
 Thou Shalt Not Steal1928 · Writer | Writer |
 Moral1928 · Writer | Writer |
 Vacation from Marriage1927 · Screenplay | Screenplay |
 Die Dame mit dem Tigerfell1927 · Screenplay | Screenplay |
 The Masked Mannequin1927 · Writer | Writer |
 The Master of Nuremberg1927 · Writer | Writer |
 Die schönsten Beine von Berlin1927 · Writer | Writer |
 The Imaginary Baron1927 · Writer | Writer |
 Meine Tante - deine Tante1927 · Writer | Writer |
| AA Modern Dubarry1927 · Writer | Writer |
 Die Boxerbraut1926 · Writer | Writer |
 Love Is Blind1926 · Writer | Writer |
| AAdventure Mad1926 · Screenplay | Screenplay |
 The Waltz Dream1926 · Screenplay | Screenplay |
 Herrn Filip Collins Abenteuer1926 · Writer | Writer |
 Die tolle Herzogin1926 · Writer | Writer |
 Life's Shadows1925 · Writer | Writer |
| DDas Abenteuer der Sybille Brant1925 · Writer | Writer |
| EExpress Train of Love1925 · Writer | Writer |
 Flight Around the World1925 · Writer | Writer |
 Niniche1925 · Screenplay | Screenplay |
| DDas schöne Abenteuer1924 · Screenplay | Screenplay |
 Mother and Child1924 · Writer | Writer |
| CClaire1924 · Screenplay | Screenplay |
 The Little Napoleon1923 · Screenplay | Screenplay |
 Die Fledermaus1923 · Screenplay | Screenplay |
| DDie drei Marien und der Herr von Marana1923 · Writer | Writer |
 Man soll es nicht für möglich halten ...1922 · Writer | Writer |
 Das Mädel mit der Maske1922 · Writer | Writer |
 Das Geld auf der Strasse1922 · Screenplay | Screenplay |
| SSeine Exzellenz von Madagaskar. 1. Das Mädchen aus der Fremde1922 · Writer | Writer |
 The Story of a Maid1921 · Writer | Writer |
 Die Jagd nach dem Tode - 4. Teil: Die Goldmine von Sar-Khin1921 · Writer | Writer |
| DDie Jagd nach dem Tode - 3. Teil: Der Mann im Dunkel1921 · Writer | Writer |
 The Count of Cagliostro1920 · Screenplay | Screenplay |
 Der siebente Tag1920 · Screenplay | Screenplay |
| KKünstlerlaunen1920 · Screenplay | Screenplay |
 Va banque1920 · Screenplay | Screenplay |
 Die Frau ohne Seele1920 · Screenplay | Screenplay |
| DDer Hund von Baskerville - 6. Teil: Das Haus ohne Fenster1920 · Writer | Writer |
 Der Hund von Baskerville - 5 Teil: Dr. Macdonalds Sanatorium1920 · Writer | Writer |
| DDie Pflicht zu leben1919 · Writer | Writer |
| DDie Arche. 2. Teil: Die letzten Menschen1919 · Screenplay | Screenplay |
| TThe Arc1919 · Screenplay | Screenplay |
 Prostitution II1919 · Writer | Writer |
| Prostitution1919 · Writer | Writer |
