Clarke Silvernail
Sceneggiatore
Filmografia
| 1930 | Hell Harbor · as Screenplay |
| 1930 | Shadow Ranch · as Dialogue |
| 1930 | The Eyes of the World · as Dialogue |
| 1930 | Hell Harbor · as Screenplay |
| 1930 | Shadow Ranch · as Dialogue |
| 1930 | The Eyes of the World · as Dialogue |