Aún no disponemos de datos de John Heffernan en la Base
Filmografía parcial 
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  SNAKES ON A PLANE (2006) [New Line Cinema] | |
| ... Guión | ||
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | 1492: CONQUEST OF PARADISE (1992) .... Hermano Buyl | |
| - | FISHER KING, THE (1991) .... Stockbroker Bum | |
