Dennis O'Connor Filmography
- Actor (48 credits)
- The Conspiracy (2012) Robert Williams
- The Town Christmas Forgot (2010) Donavan
- Republic of Doyle (2010) Pete Ryan
- The Last Hit (2005) рассказчик
- Backroads (2003) Marc Leduc
- Stormy Weather: The Music of Harold Arlen (2002) рассказчик, not listed in credits
- Fire and Ice: The Rocket Richard Riot (2000) рассказчик, not listed in credits
- Washed Up (2000) Squid
- Mark Twain's America in 3D (1998) Mark Twain, voice acting
- End of Summer (1997) Otto
- While My Pretty One Sleeps (1997) Sonny
- Golden Will: The Silken Laumann Story (1996) Veterinarian
- The Adventures of Sinbad (1996) Malaasco
- Marked Man (1996) Pappas
- Salt Water Moose (1996) Norbert
- Wind at My Back (1996) Karl Schenken
- Trilogy of Terror II (1996) Brig
- Traders (1996)
- Specimen (1996) Grandpa Vern
- Goosebumps (1995) Otto
- Two If by Sea (1995) Cop on Scene
- No Exit (1995) Doctor
- Street Law (1995) Carruthers
- Across the Sea of Time (1995) Uncle Leopold, voice acting
- The Santa Clause (1994) Mailman
- In the Mouth of Madness (1994) Cop
- Incident in a Small Town (1994) Know It All
- RoboCop (1994) Otto Gilbert
- The Dark (1993) Jake
- Vita da cane (1992)
- Split Images (1992) Jasinski
- Shadows of the Past (1991) Banner
- Sweating Bullets (1991)
- Top Cops (1990) Baruam
- Counterstrike (1990) Coleman
- Street Legal (1987) Sam Vernon
- Adderly (1986)
- The Park Is Mine (1985) Sergeant Duffy
- Love & Larceny (1985)
- The Slavers (1984) Bob
- Sonatine (1984)
- The Hitchhiker (1983) Helpful Cop
- Au nom de tous les miens (1983) Le douanier à New York
- Self Defense (1983) Clark
- Bonheur d'occasion (1983) Phil Morin
- The Funny Farm (1983) Lorne Hawkins
- The Hot Touch (1981) Bank's Detective
- Les chiens chauds (1980) Drunk in park
