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John Ralston is a Canadian actor.
Actor Filmography
| Title | Character | Year |
|---|
| Life with Luca | George Venturi | 2023 |
| Infinity Pool | Dr. Modan / Dr. Bob Modan | 2023 |
| Joe Pickett | Derek Longbrake | 2021 |
| Die in a Gunfight | William Rathcart | 2021 |
| Crisis | FDA Chairman | 2021 |
| Ginny & Georgia | Whit Randolph | 2021 |
| Two for the Win | Tom O'Neill | 2021 |
| Tiny Pretty Things | Hadrian Talbot | 2020 |
| Nadia, Butterfly | Greg Dale / Entraîneur-chef Canada | 2020 |
| Tainted | Gregor / Greger | 2020 |
Actor Filmography
| Title | Character | Year |
|---|
| Life with Luca | George Venturi | 2023 |
| Infinity Pool | Dr. Modan / Dr. Bob Modan | 2023 |
| Joe Pickett | Derek Longbrake | 2021 |
| Die in a Gunfight | William Rathcart | 2021 |
| Crisis | FDA Chairman | 2021 |
| Ginny & Georgia | Whit Randolph | 2021 |
| Two for the Win | Tom O'Neill | 2021 |
| Tiny Pretty Things | Hadrian Talbot | 2020 |
| Nadia, Butterfly | Greg Dale / Entraîneur-chef Canada | 2020 |
| Tainted | Gregor / Greger | 2020 |
| Transplant | Mr. Chandler | 2020 |
| Zoey's Extraordinary Playlist | Paul | 2020 |
| The Curse of Buckout Road | John Buckhout / John Buckout | 2019 |
| Stockholm | Detective Jackobsson / Detective Jakobsson | 2019 |
| Radio Silence | Stuart Wells | 2019 |
| Ready or Not | Stevens | 2019 |
| Street Legal | Hal Lloyd | 2019 |
| On the Basis of Sex | Tom Miller | 2018 |
| Our House | Richard | 2018 |
| Mary Goes Round | Walt / Walter "Walt" Jackson | 2018 |
| Frankie Drake Mysteries | Donald Adams | 2017 |
| Workin' Moms | Steve Malk | 2017 |
| Ransom | Ken Cummings | 2017 |
| Sadie's Last Days on Earth | Burt | 2016 |
| An American Dream: The Education of William Bowman | Coach Reynolds | 2016 |
| Designated Survivor | Carson Kramer | 2016 |
| Private Eyes | Joel Coleman | 2016 |
| Two Lovers and a Bear | Lucy's Father | 2016 |
| The Stepchild | Bill | 2016 |
| Degrassi: Next Class | Miles Hollingsworth II | 2016 |
| The Lizzie Borden Chronicles | Ezekiel Danforth | 2015 |
| Ascension | Robert Bryce / Robert | 2014 |
| Not With My Daughter | Detective Mike | 2014 |
| The Calling | Andrew Pederson | 2014 |
| Bitten | Sasha Antonov | 2014 |
| Reign | Lord Ruthven | 2013 |
| Played | Thomas Novak | 2013 |
| Gibraltar | John Wexford | 2013 |
| Good God! with God | Danny McClure | 2012 |
| Bomb Girls | Pastor Vernon Rowley | 2012 |
| Raw Opium | Narrator | 2011 |
| Nikita | Dr. Joseph Mars | 2010 |
| Haven | Walter | 2010 |
| Vacation with Derek | George Venturi | 2010 |
| Living in Your Car | Steve Unger | 2010 |
| The Cult | William Rivers | 2010 |
| The Listener | Mitch Deerfoot | 2009 |
| South of the Moon | Matt Hawkins | 2009 |
| Flashpoint | Senator Mark Drury | 2008 |
| Voices | Dr. William Shaw | 2008 |
| Flash Gordon: A Modern Space Opera | Ming the Merciless | 2007 |
| Kaw | Oskar | 2007 |
| Demons from Her Past | Quentin Baxter | 2007 |
| The Path to 9/11 | Flight School Teacher | 2006 |
| Angela's Eyes | Ed Mulhall | 2006 |
| Earthstorm | Dr. Garth Pender / Dr. Garth Bender | 2006 |
| Life with Derek | George Venturi | 2005 |
| Instant Star | Don | 2004 |
| Vendetta: No Conscience, No Mercy | Paul Keaton | 2004 |
| Brave New Girl | Jason Sloan | 2004 |
| This Is Wonderland | Len Taft | 2004 |
| The Cradle Will Fall | Richard Carroll / Dr. Richard Carroll | 2004 |
| Wild Card | Dr. Kadar | 2003 |
| Defending Our Kids: The Julie Posey Story | Steve 42 | 2003 |
| Hurt | Stevie's Dad | 2003 |
| Another Country | Lloyd Chandler | 2003 |
| No Night Is Too Long | Kit Winwood | 2002 |
| Bury the Lead | Nathan Halpern | 2002 |
| Strange Days at Blake Holsey High | Jack Avenir / Jack Avenir aka Andreas Avenir / Avenir | 2002 |
| Adventure Inc. | Professor Halpern | 2002 |
| Power and Beauty | Frank Sinatra | 2002 |
| Her Best Friend's Husband | Elliott | 2002 |
| Jeremiah | Dr. Sean Alexander | 2002 |
| Chasing Cain II: Face | Pessoa | 2002 |
| Degrassi: The Next Generation | Mr. Miles Hollingsworth II | 2001 |
| Mutant X | Carl | 2001 |
| Khaled | Mr. Borquin | 2001 |
| Exit Wounds | Mulcahy's Date | 2001 |
| Doc | Rick | 2001 |
| Blue Murder | Phil Green | 2001 |
| Turn It Up | Mr. White | 2000 |
| The Deadly Look of Love | District Attorney Barry Fenley / D.A. Barry Fenley | 2000 |
| Dogs with Jobs | Narrator | 2000 |
| The City | Jack Berg | 1999 |
| Queer as Folk | Rev. Tom Butterfield | 1999 |
| Mythic Warriors: Guardians of the Legend | Paris | 1998 |
| Highlander: The Raven | Riley Del Deegan | 1998 |
| Ice | Airport Gunman | 1998 |
| Earth: Final Conflict | Stephen / Dr. Raymond Fuchs | 1997 |
| La Femme Nikita | Sullivan Bates | 1997 |
| PSI Factor: Chronicles of the Paranormal | Corbin Dean | 1996 |
