Aún no disponemos de datos de John Alvar en la Base
Filmografía parcial 
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  DJANGO SFIDA SARTANA (1970) ... Steve | |
| - | GREEN HORNET 1/03 PROGRAMMED FOR DEATH (1966) ... Mark | |
| - | BOB HOPE PRESENTS THE CHRYSLER THEATRE 3/078 ONE EMBEZZLEMENT AND TWO MARGARITAS (1966) ... Ramón Pérez [como Jon Alvar] | |
| - | 13 FRIGHTENED GIRLS (1963) ... Fernando | |
| - | CLEOPATRA (1963) ... Valvus | |
