Aún no disponemos de datos de William B. Mack en la Base
Filmografía parcial 
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  MISSING MILLIONS (1922) .... Thomas Dawson | |
| - | DEEP PURPLE, THE (1920) .... Gordon Laylock | |
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | MISSING MILLIONS (1922) .... Thomas Dawson | |
| - | DEEP PURPLE, THE (1920) .... Gordon Laylock | |
