Harry Mainhall Filmography
- Actor (17 credits)
- Three Rings and a Goat (1915) Benzy Falls
- A Rheumatic Joint (1915) Benzy Falls
- The Bungalow Bungle (1915) Benzy Falls
- The New Adventures of J. Rufus Wallingford (1915) Benzy Falls Jr.
- At the End of a Perfect Day (1915) The Son
- Bill's Boy (1914) Bill's Boy - as an Adult
- One Wonderful Night (1914) Clancy
- When the Lightning Struck (1914)
- The Hand That Rocks the Cradle (1914) The Detective
- Fear (1913)
- The Man Outside (1913) O'Connor
- The Warning Hand (1912) Frank Morrell
- Twilight (1912) Harry
- Neptune's Daughter (1912)
- The End of the Feud (1912) Jim Parker's Brother
- The Voice of Conscience (1912) Jack Tenny
- Sunshine (1912) Joe Roberts
- Director (3 credits)
- Writer (2 credits)
