John Billingsley
- Degree of Certainty
2026 Mr. Williams
- Anaconda
2025 Jerry
- Skincare
2024 Jeff
- The Shift
2023 Russo
- Boy Makes Girl
2023 Chunky
- Emily the Criminal
2022 Office Manager
- Unbelievable!!!!!
2020 Male Curlisha
- The Circuit
2019
- The Last Word
2017 Father Reilly
- The Man from Earth: Holocene
2017 Harry
- Madtown
2016 Lloyd Zane Miller
- 20th Century Women
2016 Abbie's ObGyn
- Trekoff: The Motion Picture
2016 Himself
- The Watcher
2016 Dr. Klein
- Star Trek: Enterprise - In a Mirror, Darkly
2014 Dr. Phlox
- Star Trek: Enterprise - Storm Front
2014 Dr. Phlox
- Red Line
2013 Sam
- Star Trek: Enterprise - Shockwave
2013 Dr. Phlox
- Trade of Innocents
2012 Malcolm Eddery
- The Silent Thief
2012 Bum
- Sironia
2011 Doug
- The Least of These
2011 Father Alfred McKavee
- 2012
2009 Professor West
- The Pool Boys
2009 Prof. James Kellogg
- AM1200
2008 Jonah Henry
- The Last Word
2008 Brady
- S.I.S.
2008 Ira Grossman
- Community
2008 Phil
- The Man from Earth
2007 Harry
- Ripple Effect
2007 Brad
- Room 6
2006 Harrison McKendrick
- Dead and Deader
2006 Langdon
- The 12 Dogs of Christmas
2005 Dogcatcher Doyle
- A Cinderella Story
2004 Mr. Rothman
- Trekkies 2
2004 Himself
- Out of Time
2003 Chae
- Lessons for an Assassin
2003 Mr. Jensen
- White Oleander
2002 Paramedic
- High Crimes
2002 Lie Detector Coach
- Breathing Hard
2001 Hammond
- Just Ask My Children
2001 Andrew Gindes
- The Glass House
2001 Driving Instructor
- Crocodile Dundee in Los Angeles
2001 Barry
- Blood on the Backlot
2000 John Waddington
- Countdown: The Sky's on Fire
1999 Dr. Andrew Pike
- Jimmy Zip
1999 Irate Driver
- Kate's Addiction
1999 FBI Agent #1
- Eden
1998 Lee
- Eat Your Heart Out
1997 Technician
- Adventures in Spying
1992 Officer Jenkins
- Shredder Orpheus
1990 Linus
- Flint
Sulphur John
