Aún no disponemos de datos de John Gregg en la Base
Filmografía parcial 
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | CHARLIE MUFFIN (1979) .... Vendedor Australiano | |
| - | ARMCHAIR THRILLER 1/03 THE GIRL WHO WALKED QUICKLY (1978) .... Everly | |
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | CHARLIE MUFFIN (1979) .... Vendedor Australiano | |
| - | ARMCHAIR THRILLER 1/03 THE GIRL WHO WALKED QUICKLY (1978) .... Everly | |
