John Ralston

Full filmography

• Overcompensating (2025) as Professor Cleary
• Law & Order Toronto: Criminal Intent (2024) as Christopher Parsons
• Infinity Pool (2023) as Dr. Modan
• Life with Luca (2023) as George Venturi
• Motherland (2023) as Werner
• Ginny & Georgia (2021) as Whit Randolph
• Joe Pickett (2021) as Derek Longbrake
• Crisis (2021) as FDA Chairman
• The Expanse: One Ship (2021) as MCRN Admiral
• Die in a Gunfight (2021) as William Rathcart
• Two for the Win (2021) as Tom O'Neill
• Transplant (2020) as Mr. Chandler
• Zoey's Extraordinary Playlist (2020) as Paul
• Nadia, Butterfly (2020) as Greg Dale
• Tainted (2020) as Gregor
• Ready or Not (2019) as Stevens
• Stockholm (2019) as Detective Jakobsson
• Radio Silence (2019) as Stuart Wells
• Red Wine (2019) as Reuben
• May Your Dominion Expand (2019) as MacGregor
• On the Basis of Sex (2018) as Tom Miller
• Our House (2018) as Richard
• Mary Goes Round (2018) as Walter "Walt" Jackson
• Frankie Drake Mysteries (2017) as Donald Adams
• The Curse of Buckout Road (2017) as John Buckhout
• Private Eyes (2016) as Joel Coleman
• Two Lovers and a Bear (2016) as Lucy's Father
• The Stepchild (2016) as Bill
• Sadie's Last Days on Earth (2016) as Burt
• Pound of Flesh (2015) as George
• Pound of Flesh (2015) Associate Producer
• Degrassi: Don't Look Back (2015) as Mr. Miles Hollingsworth II
• Bitten (2014) as Sasha Antonov
• Ascension (2014) as Robert Bryce
• The Calling (2014) as Andrew Pederson
• Client Seduction (2014) as Detective Mike
• Played (2013) as Thomas Novak
• The Informant (2013) as John Wexford
• Good God (2012) as Danny McClure
• Raw Opium (2011) as Self - Narrator
• Haven (2010) as Walter
• Nikita (2010) as Dr. Joseph Mars
• The Cult (2010) as William Rivers
• Living in Your Car (2010)
• The Cult (2010) as William Rivers
• Vacation with Derek (2010) as George Venturi
• The Listener (2009) as Mitch Deerfoot
• A Near Death Experience (2008) as Dr. William Shaw
• South of the Moon (2008) as Matt Hawkins
• Flash Gordon (2007) as Ming the Merciless
• Friends and Heroes (2007) as Lucius
• Kaw (2007) as Oskar
• Demons from Her Past (2007) as Quentin Baxter
• Angela's Eyes (2006)
• Earthstorm (2006) as Dr. Garth Bender
• Strange Days: Conclusions (2006) as Jack Avenir
• Life with Derek (2005) as George Venturi
• This Is Wonderland (2004) as Len Taft
• This Is Wonderland (2004)
• Brave New Girl (2004) as Jason Sloan
• Irish Eyes (2004) as Paul Keaton
• The Cradle Will Fall (2004) as Richard Carroll
• Defending Our Kids: The Julie Posey Story (2003) as Steve 42
• Strange Days at Blake Holsey High (2002)
• Her Best Friend's Husband (2002) as Elliott
• Power and Beauty (2002) as Frank Sinatra
• Degrassi (2001) as Mr. Miles Hollingsworth II
• Mutant X (2001) as Carl
• Exit Wounds (2001) as Mulcahy's Date
• Blue Murder (2001)
• Khaled (2001) as Mr. Borquin
• Sanctuary (2001) as David Delaney
• Turn It Up (2000) as Mr. White
• The Deadly Look of Love (2000) as D.A. Barry Fenley
• The City (1999) as Jack Berg
• Sam's Army (1999)
• Highlander: The Raven (1998) as Riley Del Deegan
• Ice (1998) as Airport Gunman
• Earth: Final Conflict (1997) as Dr. Raymond Fuchs / Stephen
• Psi Factor: Chronicles of the Paranormal (1996)
• Counselling as Clark