Acting
- 2020Saved by the BellMr. Dewey4 ep.
- 2003CarnivàleClark1 ep.
- 2001RebaMr. Devaney1 ep.
- 2001State of GraceBill1 ep.
- 2000Son of the Beach1 ep.
- 1999RoswellMinister1 ep.
- 1997WorkingCarl1 ep.
- 1997Union SquareKenny1 ep.
- 1997Dharma & GregRoger1 ep.
- 1996Sabrina, the Teenage WitchCupid3 ep.
- 1996Boston CommonRon1 ep.
- 1995Caroline in the CityCouncilman Hardy1 ep.
- 1995The Naked TruthLab Man1 ep.
- 1995CybillTweedy Man1 ep.
- 1994Babylon 5Cart Owner1 ep.
- 1992The Larry Sanders ShowCarl Henckel1 ep.
- 1991Home ImprovementInk Ingram1 ep.
- 1990Parker Lewis Can't LoseMr. Kubiac1 ep.
- 1989Saved by the BellMr. Dewey4 ep.
- 1989Baywatch2 ep.
- 1988The Wonder YearsMr. Santa1 ep.
- 1987Jake and the Fatman1 ep.
- 1987Married... with ChildrenWally2 ep.
- 1984Night CourtErnie Carter2 ep.
Guest appearances
- 2020Saved by the BellMr. Dewey4 ep.
- 2006Drake & JoshMinister1 ep.
- 2006It's Always Sunny in PhiladelphiaAssociate1 ep.
- 2004MonkBrent Donovan1 ep.
- 2004Gilmore GirlsBrian's Dad1 ep.
- 2003Malcolm in the MiddleDad Driver1 ep.
- 2003CarnivàleClark1 ep.
- 2003ERCarmichael1 ep.
- 2002Son of the Beach1 ep.
- 2002FelicityDan Waldron1 ep.
- 2002CSI: Crime Scene InvestigationEdward Cormier1 ep.
- 2001RebaMr. Devaney1 ep.
- 2001RoswellMinister1 ep.
- 2001State of GraceBill1 ep.
- 2001The West WingHanson1 ep.
- 1999Dharma & GregRoger1 ep.
- 19997th HeavenProfessor Valentine1 ep.
- 1999SlidersJake1 ep.
- 1997Sabrina, the Teenage WitchCupid, Index Man3 ep.
- 1997WorkingCarl1 ep.
- 1997Union SquareKenny1 ep.
- 1997Family MattersMr. Denton1 ep.
- 1997Step by StepReverend1 ep.
- 1997The Naked TruthLab Man1 ep.
- 1997Boston CommonRon1 ep.
- 1988Married... with ChildrenBob Thompson, Wally2 ep.
- 1996The John Larroquette ShowMr. Hunter1 ep.
- 1996Saved by the Bell: The New ClassMr. Dewey1 ep.
- 1996CybillTweedy Man1 ep.
- 1996Caroline in the CityCouncilman Hardy1 ep.
- 1994Baywatch2 ep.
- 1994Babylon 5Cart Owner1 ep.
- 1993Lois & Clark: The New Adventures of SupermanBarker1 ep.
- 1989Saved by the BellMr. Dewey4 ep.
- 1992The Larry Sanders ShowCarl Henckel1 ep.
- 1992Home ImprovementInk Ingram1 ep.
- 1991The Wonder YearsMr. Santa1 ep.
- 1990Parker Lewis Can't LoseMr. Kubiac1 ep.
- 1988The Facts of Life1 ep.
- 1987Night CourtErnie Carter2 ep.
- 1987Jake and the Fatman1 ep.
Also known as: Patrick T. O'Brien · Patrick O'Brien · P. O'Brien