Jack Duffy (4 September 1882 – 23 Julie 1939) was 'n Amerikaanse akteur. Hy was bekend vir sy rolle in die rolprente The Adventures of Peg o' the Ring (1916), Texas Terror (1935), en Love Takes Flight (1937). 1916: The Adventures of Peg o' the Ring 1919: Blackie's Redemption 1924: The Brass Bowl 1927: No Control 1928: Harold Teen 1935: Texas Terror 1937: Love Takes Flight 1971: In the Mood Jack Duffy in die Internet-rolprentdatabasis