Aún no disponemos de datos de George Markstein en la Base
Filmografía parcial 
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | RETURN OF THE SAINT 1/15 THE DEBT COLLECTORS (1978) [ITC] | |
| ... Guión | ||
| - | PRISONER 1/01 ARRIVAL (1966) [ITC] | |
| ... Guión | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | RETURN OF THE SAINT 1/15 THE DEBT COLLECTORS (1978) [ITC] | |
| ... Guión | ||
| - | PRISONER 1/01 ARRIVAL (1966) [ITC] | |
| ... Guión | ||
