Billy Riddoch Filmography
- Actor (31 credits)
- Burke and Hare (2010) Rabble Rouser
- New Town Killers (2008) Man in Restaurant Toilet
- St. Mathurin's School of Practical Joking (2005) The Headmaster
- One Last Chance (2004) Dr. MacFarlane
- The Planman (2003) Jimmy Murray
- Rockface (2002) Jeff Pigeon
- Still Game (2002) Butcher Bill
- The Fabulous Bagel Boys (2001) Supt. Willing
- Monarch of the Glen (2000) Surveyor
- The Baldy Man (1995) Various
- Trainspotting (1995) Gail's Father
- Hamish Macbeth (1995) Lachlan McCrae
- Shallow Grave (1994) Newspaper Editor
- The Tales of Para Handy (1994) Sergeant
- The Long Roads (1993) Donnie
- Crime Story (1992) John Hardy
- A Touch of Frost (1992) Hammond
- Jute City (1991) Deans
- Silent Scream (1990) Lenny - Special Unit Staff
- 4 Play (1989) Bruce MacKinnon
- The Play on One (1988) Fat George
- Rab C. Nesbitt (1988) Crawford
- Brond (1987) Dunlop
- Blood Red Roses (1986) Harry Sim
- Crystal Spirit: Orwell on Jura (1983) Donald Darroch
- You Can't Live on Cake (1983) Drunk
- Every Picture Tells a Story (1983) Sergeant Slevin
- The White Bird Passes (1980)
- The Omega Factor (1979) Robbie
- La Mort en direct (1979) Truck driver
- A Sense of Freedom (1979) Fisherman
