Drehbuchautor bei
| 1960 | The Sign of Zorro | ||
| 1954 | Orders Are Orders | ||
| 1937 | A Damsel in Distress | ||
| 1936 | Sabotage | ||
| 1936 | Geheimagent | ||
| 1936 | The Man Behind the Mask | ||
| 1935 | Die 39 Stufen | ||
| 1933 | I Was A Spy |
| 1960 | The Sign of Zorro | ||
| 1954 | Orders Are Orders | ||
| 1937 | A Damsel in Distress | ||
| 1936 | Sabotage | ||
| 1936 | Geheimagent | ||
| 1936 | The Man Behind the Mask | ||
| 1935 | Die 39 Stufen | ||
| 1933 | I Was A Spy |