Aún no disponemos de datos de Dan Duffy en la Base
Filmografía parcial 
| --<>-- | ||
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - |  Last of the Troubadours, The (1917) ... Catellite | |
| - | Lonesome Road, The (1917) ... Barman | |
| - | John Tom Little Bear (1917) ... Jeff Peters | |
| - | Shadowed Shadow, A (1916) ... Hercules, el Mayordomo | |
