Aún no disponemos de datos de John Christian Graas en la Base
Filmografía parcial 
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  PHILADELPHIA EXPERIMENT II (1993) .... Benjamin Herdeg | |
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | PHILADELPHIA EXPERIMENT II (1993) .... Benjamin Herdeg | |
