Aún no disponemos de datos de William Allyn en la Base
Filmografía parcial 
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | AND NO ONE COULD SAVE HER (1973) [Assoc. London Films] | |
| ... Producción | ||
| - | LAST CHILD, THE (1971) [Aaron Spelling] | |
| ... Producción | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | DAY AFTER, THE (1983) .... Profesor | |
| - | THRILLER 1/31 A GOOD IMAGINATION (1961) .... Randy Hagen | |
| - | PERRY MASON 3/095 THE CASE OF THE FLIGHTY FATHER (1960) | |
| - | ONE STEP BEYOND 2/45 VANISHING POINT (1960) .... Abogado | |
| - | SHIRLEY TEMPLE'S STORYBOOK 1/16 MOTHER GOOSE (1958) .... Príncipe George | |
| - | SHIRLEY TEMPLE'S STORYBOOK 1/16 MOTHER GOOSE (1958) .... Príncipe Jorge | |
