Movielogr users have logged 4 movies featuring Jack Duffy.
| Title | Director(s) | Year Released |
|---|---|---|
| Bakery, The | Norman Taurog, Larry Semon | 1921 |
| Dog's Life, A | Charlie Chaplin | 1918 |
| Neighbors | Buster Keaton, Edward F. Cline | 1920 |
| Our Hospitality | Buster Keaton, John G. Blystone | 1923 |