Jack Duffy Filmography
- Actor (54 credits)
- Gooby (2009) Grocery Store Manager
- The Altar Boy Gang (2007) Father Carvell
- The State Within (2006) Mr. Walker
- It's a Boy Girl Thing (2006) Old Man
- G-Spot (2005) Marvin
- Corner Gas (2004) Mr.Baker
- The In-Laws (2003) The Other Uncle
- Death and the Maiden (2003) The grandfather
- Fancy Dancing (2002) Stan
- The Tuxedo (2002) Elderly Man
- A Killing Spring (2002) Neighbour
- Club Land (2001) Nifty
- Doc (2001) Sam
- Mutant X (2001) Silver
- RoboCop: Prime Directives (2001) Dr. Hill
- My Horrible Year! (2001) Mr. Birdwell
- The Spreading Ground (2000) Owen Rafferty
- A Holiday Romance (1999) Irwin
- Blackheart (1998) Enger
- Brimstone (1998) Irwin Dollinger
- Double Take (1998) Judge
- Universal Soldier III: Unfinished Business (1998) Dr. Gregor
- Strike! (1998) School Guard
- The Defenders: Payback (1997) Mr. Sanders
- Men with Guns (1997) Jimmy
- The Hardy Boys (1995) Harry
- David's Mother (1994) Doorman
- Hostage for a Day (1994) SWAT Three
- Sodbusters (1994) Railroad Executive No. 1
- Ordinary Magic (1993) Barbershop #1
- Ghost Mom (1993) Al
- Heritage Minutes (1991) Additional Cast
- Beyond Reality (1991) Derelict
- Maniac Mansion (1990) Parks Man
- Road to Avonlea (1990) Jeweller
- The Dream Team (1989) Bernie
- Dick Francis: In the Frame (1989) Harvey
- Biographies: The Enigma of Bobby Bittman (1988) Sam Slansky
- Switching Channels (1988) Emil, the Waiter
- Friday the 13th: The Series (1987) Manny King
- Killer Party (1986) Security Guard
- Whodunit? (1986) рассказчик / The Boss
- Doing Life (1986) Jury Foreman
- Spearfield's Daughter (1986) Jake Lintus
- Seeing Things (1981) Doc
- Freddie the Freeloader's Christmas Dinner (1981) Santa
- SCTV Network 90 (1981) Cop, not listed in credits
- Bizarre (1980) Various Characters
- Title Shot (1979) Mr. Green
- The Silent Partner (1978) Fogelman
- The New Avengers (1976) Radio Operator
- The Wayne and Shuster Hour (1957)
- The Wayne & Shuster Show (1955) Various (1954-1958)
- The Perry Como Show (1948) играет самого себя