Aún no disponemos de datos de Jefferson Clifford en la Base
Filmografía parcial 
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | SCHIRMER INHERITANCE, THE (1957) .... Robert L. Moreton | |
| - | ANATOMIST, THE (1956) .... Nebby | |
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | SCHIRMER INHERITANCE, THE (1957) .... Robert L. Moreton | |
| - | ANATOMIST, THE (1956) .... Nebby | |
