Tom O'Brien Filmography
- Actor (65 credits)
- Phantom of Santa Fe (1936) Henchman Kildane
- Lucky Dog (1933)
- Only Yesterday (1933) not listed in credits
- The Phantom Express (1932) Red Connelly the Telegraph Operator
- The Night Mayor (1932) Delaney, not listed in credits
- No Privacy (1931)
- Scared Stiff (1931)
- The Phantom (1931) Police Sgt. Pat Collins
- Trapped (1931) Joe Farley
- Hell-Bent for Frisco (1931) Fogarty
- You Said It, Sailor (1930)
- Moby Dick (1930) Starbuck
- Call of the West (1930)
- Midnight Special (1930) Dan Padden
- Smiling Irish Eyes (1929) Black Barney
- The Peacock Fan (1929) Sgt. O'Brien
- Untamed (1929) Moran
- The Talk of Hollywood (1929) Reel-Mixing Projectionist
- Dance Hall (1929) Truckdriver
- Broadway Scandals (1929) Bill Gray
- It Can Be Done (1929) Detective
- Hurricane (1929) Dugan
- The Last Warning (1929) Inspector
- His Lucky Day (1929) Chauffeur
- Dark Skies (1929) Pete
- The Flying Fool (1929) Tom Dugan
- That's My Daddy (1928) Officer Patrick Moran
- San Francisco Nights (1928) «Red»
- Anybody Here Seen Kelly? (1928) Buck Johnson
- Outcast Souls (1928) Officer
- The Chorus Kid (1928) Bill Whipple
- Rookies (1927) Sgt. O'Brien
- The Frontiersman (1927) Abner Hawkins
- The Bugle Call (1927) Sgt. Doolan
- Winners of the Wilderness (1927) Timothy
- The Private Life of Helen of Troy (1927) Ulysses
- Twelve Miles Out (1927) Irish
- Poker Faces (1926) Prizefighter
- The Flaming Forest (1926) Mike
- The Fire Brigade (1926) Joe O'Neil
- The Big Parade (1925) Bull
- White Fang (1925) Matt
- Crack o' Dawn (1925) Stanley Steele
- The Last Edition (1925) Bull - Job Foreman
- Sally, Irene and Mary (1925) Stage Manager, not listed in credits
- What Shall I Do? (1924) Big Jim Brown
- Winner Take All (1924) Dynamite Galloway
- Never Say Die (1924) Gun Murray
- So This Is Marriage? (1924) Riley
- Fools' Highway (1924) Philadelphia O'Brien
- Flapper Wives (1924) Tim Callahan
- Tipped Off (1923) Jim 'Pug' Murphy, Mildred's Brother
- The Gentleman from America (1923) Johnny Day
- The Scarlet Car (1923) Mitt Deagon
- Up and Going (1922) Sergeant Langley (in play)
- Their Mutual Child (1921) Steve Dingle
- Scrap Iron (1921) Battling Burke
- The Devil Within (1921) Wansley
- The Sagebrusher (1920) Charlie Dornewald
- Square Deal Sanderson (1919) Williams
- The Mints of Hell (1919)
- Dangerous Hours (1919) Bolshevik at Meeting, not listed in credits
- Spooks and Spasms (1917) The Big V Riot Squad
- The Runaway Freight (1914) Slim - a Yeggman
- Granny (1914)
