Aún no disponemos de datos de Mary Mersch en la Base
Filmografía parcial 
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  WELLS FARGO (1937) ... Pionera | |
| - | EMPTY SADDLES (1936) ... Sra. Mills | |
| - | COWBOY AND THE KID, THE (1936) ... Sra. Wilson | |
| - | SONG OF THE SADDLE (1936) ... Esposa de vaquero | |
| - | RAINBOW TRAIL, THE (1918) ... Jane Withersteen | |
| - | RIDERS OF THE PURPLE SAGE (1918) ... Jane | |
