Aún no disponemos de datos de Leslie Mason en la Base
Filmografía parcial 
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  MAN FROM MONTEREY (1933) [Leon Schlesinger] | |
| ... Guión | ||
| - | MOUNTAIN JUSTICE (1930) [Ken Maynard] | |
| ... Guión | ||
| - | CALIFORNIA MAIL, THE (1929) [First National] | |
| ... Guión | ||
| - | SEÑOR AMERICANO (1929) [Ken Maynard] | |
| ... Guión | ||
| - | WAGON MASTER, THE (1929) [Ken Maynard] | |
| ... Guión | ||
