William Duell Filmography
- Actor (43 credits)
- How to Lose a Guy in 10 Days (2003) Old Concession Worker
- Woman Found Dead in Elevator (2000) Landlord
- The Man Who Came to Dinner (2000) Dr. Bradley
- Ed (2000) Mr. Hinckey
- Earthly Possessions (1999) Old Man In Jalopy
- Cradle Will Rock (1999) Butler
- The Out-of-Towners (1999) Lost Baggage Clerk
- Advice from a Caterpillar (1999) Hunter #2
- In & Out (1997) Emmett Wilson
- Reckless (1995) Roy
- Palookaville (1995) Money Truck Guard
- Trial by Jury (1994) Jimmy
- Me and Veronica (1993) Harry
- Out of the Rain (1991) Reverend
- Shining Time Station (1989) Inspector Flanagan
- Home Fires Burning (1989) Whit Hennessy
- Elvira: Mistress of the Dark (1988) Lesley Meeker
- Channel 99 (1988) Ed Hepley
- Funny Farm (1988) Old Character
- Ironweed (1987) Moose
- Seize the Day (1986) Joey
- The Beniker Gang (1985) Postmaster Greaves
- The Pope of Greenwich Village (1984) Toll Booth Attendant
- Grace Quigley (1984) Mr. Jenkins
- Mrs. Soffel (1984) Lenny
- Without a Trace (1983) Polygraph operator
- Police Squad! (1982) Johnny
- A Stranger Is Watching (1981) Derelict in Subway, not listed in credits
- Casey Stengel (1981) Bob Daly
- Sherlock Holmes (1981) Parsons
- My Old Man (1979) Rooster
- Sanctuary of Fear (1979) Park Keeper, not listed in credits
- King of the Gypsies (1978) Funeral Home Director
- The Adams Chronicles (1976) Photographer
- One Flew Over the Cuckoo's Nest (1975) Sefelt
- The Happy Hooker (1975) Meek Man
- Law and Disorder (1974)
- Deadhead Miles (1973) Auto Parts Salesman
- 1776 (1972) Andrew McNair, Congressional Custodian
- The 23rd Annual Tony Awards (1969) играет самого себя - исполнитель
- N.Y.P.D. (1967) Schnabbe
- The Hustler (1961) Billy (Louisville Hustler), not listed in credits
- The DuPont Show of the Month (1957) Jerry Cruncher
