John Ralston (born October 9th, 1964) is a Canadian actor. He is best known for his role in Life with Derek.
His son Stuart is also an actor.
Filmography:
- Psi Factor (1997) as Corbin Dean
- La Femme Nikita (1998) as Sullivan Bates
- Highlander: The Raven (1998) as Riley Del Deegan
- Earth: Final Conflict (2000) as Dr. Raymond Fuchs/Steven
- Queer as Folk (US) (2002) as Reverend Tom Butterfield
- Mutant X (2003) as Carl
- Strange Days At Blake Holsey High (2005 - 2006) as Jack Avenir
- Life with Derek (2005 - 2009) as George Venturi
- Instant Star (2006) as Don
- Flash Gordon (2007) (2007 - 2008) as Ming the Merciless
- Nikita (2011) as Doctor Joseph Mars
- Flashpoint (2012) as Senator Mark Drury
- Bomb Girls (2012 - 2013) as Pastor Vernon Rowley
- Degrassi: The Next Generation (2013 - 2015) as Mr. Miles Hollingsworth II
- Degrassi: Next Class (2016 - 2017)
- Haven (2015) as Walter
- Reign (2017) as Lord Ruthven
- Frankie Drake Mysteries (2017) as Donald Adams
- Designated Survivor (2017 - 2018) as Carson Kramer
- Zoey's Extraordinary Playlist (2020) as Paul
- Transplant (2022) as Mr. Chandler
