Aún no disponemos de datos de John McGowans en la Base
Filmografía parcial 
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  BATTLE BEYOND THE STARS (1980) .... Nestor | |
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | BATTLE BEYOND THE STARS (1980) .... Nestor | |
