Movies:
* Hercules: The Legendary Journeys (1995-1999) - Hercules
* The 10th Kingdom (2000) - Prince Wendell
* Kull the Conqueror (2004) - Kull
* The Lost City (2005) - Jack
* Abel's Field (2012) - Abe
* God's Not Dead (2014) - Professor Radisson
* Let There Be Light (2017) - Martin
* The Ninth Passenger (2018) - Captain David
* The Reliant (2019) - David
* The Christmas Chronicles (2018) - Santa Claus (voice)
* The Christmas Chronicles 2 (2020) - Santa Claus (voice)
* The War with Grandpa (2020) - Ed
* Divine Fury (2019) - Father Michael
* The Adventurer: The Curse of the Midas Box (2022) - Harrison
* The Wingfeather Saga (2023) - The Scribe (voice)
* The Christmas Chronicles 3 (2023) - Santa Claus (voice)
Television:
* Hercules: The Legendary Journeys (1995-1999) - Hercules
* Andromeda (2000-2005) - Captain Dylan Hunt
* The Norm Show (2000-2001) - Various characters
* Soul Food (2003) - Guest Star
* The O.C. (2004) - Guest Star
* Hope & Faith (2005) - Guest Star
* Two and a Half Men (2007) - Guest Star
* The Chronicle (2008) - Guest Star
* Leverage (2008) - Guest Star
* Supernatural (2009) - Guest Star
* The Mentalist (2011) - Guest Star
* Franklin & Bash (2011-2014) - Guest Star
* The Librarians (2014-2018) - Flynn Carsen
* The Right Stuff (2020) - Alan Shepard (voice)
* God's Not Dead: A Light in Darkness (2018) - Professor Radisson
* The Stand (2020) - The Trashcan Man
* True Colors (2022) - Detective Charlie (voice)
* The Winchesters (2022) - Samuel Campbell (voice)
Note: This list includes major roles and notable guest appearances. There are also numerous smaller roles and voice-over work not included here.