Aún no disponemos de datos de William J. Gross en la Base
Filmografía parcial 
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  OUT OF THE SHADOW (1919) .... Rev. Woodgate | |
| - | BLUE BIRD, THE (1918) .... Abuelo Tyl | |
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | OUT OF THE SHADOW (1919) .... Rev. Woodgate | |
| - | BLUE BIRD, THE (1918) .... Abuelo Tyl | |
