John Ralston: movies and TV shows
John Ralston has 81 credits in the archive: 49 films and 32 TV series, from 1996 to 2025. Highest rated: Ginny & Georgia (8.0/10).
Career timeline
1996 – 2025 · busiest year: 2001 (6 credits)
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Full filmography
| Year | Title | Role | Type | Rating | Age then |
|---|---|---|---|---|---|
| 2025 | Overcompensating | Professor Cleary | TV | 7.2 | 60 |
| 2024 | Law & Order Toronto: Criminal Intent | Christopher Parsons | TV | 7.2 | 59 |
| 2023 | Infinity Pool | Dr. Modan | Film | 6.1 | 58 |
| 2023 | Life with Luca | George Venturi | Film | 8.0 | 58 |
| 2023 | Motherland | Werner | Film | 5.5 | 58 |
| 2021 | Ginny & Georgia | Whit Randolph | TV | 8.0 | 56 |
| 2021 | Joe Pickett | Derek Longbrake | TV | 7.0 | 56 |
| 2021 | Crisis | FDA Chairman | Film | 6.2 | 56 |
| 2021 | The Expanse: One Ship | MCRN Admiral | TV | 6.9 | 56 |
| 2021 | Die in a Gunfight | William Rathcart | Film | 5.2 | 56 |
| 2021 | Two for the Win | Tom O'Neill | Film | 6.5 | 56 |
| 2020 | Transplant | Mr. Chandler | TV | 7.5 | 55 |
| 2020 | Zoey's Extraordinary Playlist | Paul | TV | 7.5 | 55 |
| 2020 | Nadia, Butterfly | Greg Dale | Film | 5.8 | 55 |
| 2020 | Tainted | Gregor | Film | 4.5 | 55 |
| 2019 | Ready or Not | Stevens | Film | 7.1 | 54 |
| 2019 | Stockholm | Detective Jakobsson | Film | 5.9 | 54 |
| 2019 | Radio Silence | Stuart Wells | Film | 5.2 | 54 |
| 2019 | Red Wine | Reuben | Film | 7.0 | 54 |
| 2019 | May Your Dominion Expand | MacGregor | Film | — | 54 |
| 2018 | On the Basis of Sex | Tom Miller | Film | 7.3 | 53 |
| 2018 | Our House | Richard | Film | 5.6 | 53 |
| 2018 | Mary Goes Round | Walter "Walt" Jackson | Film | 6.3 | 53 |
| 2017 | Frankie Drake Mysteries | Donald Adams | TV | 6.3 | 52 |
| 2017 | The Curse of Buckout Road | John Buckhout | Film | 6.5 | 52 |
| 2016 | Private Eyes | Joel Coleman | TV | 7.3 | 51 |
| 2016 | Two Lovers and a Bear | Lucy's Father | Film | 6.5 | 51 |
| 2016 | The Stepchild | Bill | Film | 5.5 | 51 |
| 2016 | Sadie's Last Days on Earth | Burt | Film | 5.5 | 51 |
| 2015 | Pound of Flesh | George | Film | 5.7 | 50 |
| 2015 | Pound of Flesh | Film | 5.7 | 50 | |
| 2015 | Degrassi: Don't Look Back | Mr. Miles Hollingsworth II | Film | 8.0 | 50 |
| 2014 | Bitten | Sasha Antonov | TV | 7.2 | 49 |
| 2014 | Ascension | Robert Bryce | TV | 6.6 | 49 |
| 2014 | The Calling | Andrew Pederson | Film | 5.9 | 49 |
| 2014 | Client Seduction | Detective Mike | Film | 4.5 | 49 |
| 2013 | Played | Thomas Novak | TV | 6.8 | 48 |
| 2013 | The Informant | John Wexford | Film | 6.2 | 48 |
| 2012 | Good God | Danny McClure | TV | 6.5 | 47 |
| 2011 | Raw Opium | Self - Narrator | Film | 8.0 | 46 |
| 2010 | Haven | Walter | TV | 7.5 | 45 |
| 2010 | Nikita | Dr. Joseph Mars | TV | 7.3 | 45 |
| 2010 | The Cult | William Rivers | TV | — | 45 |
| 2010 | Living in Your Car | TV | 7.5 | 45 | |
| 2010 | The Cult | William Rivers | Film | — | 45 |
| 2010 | Vacation with Derek | George Venturi | Film | 6.6 | 45 |
| 2009 | The Listener | Mitch Deerfoot | TV | 6.9 | 44 |
| 2008 | A Near Death Experience | Dr. William Shaw | Film | 4.8 | 43 |
| 2008 | South of the Moon | Matt Hawkins | Film | 6.3 | 43 |
| 2007 | Flash Gordon | Ming the Merciless | TV | 5.5 | 42 |
| 2007 | Friends and Heroes | Lucius | TV | 10.0 | 42 |
| 2007 | Kaw | Oskar | Film | 4.6 | 42 |
| 2007 | Demons from Her Past | Quentin Baxter | Film | 4.7 | 42 |
| 2006 | Angela's Eyes | TV | 8.3 | 41 | |
| 2006 | Earthstorm | Dr. Garth Bender | Film | 4.7 | 41 |
| 2006 | Strange Days: Conclusions | Jack Avenir | Film | — | 41 |
| 2005 | Life with Derek | George Venturi | TV | 7.0 | 40 |
| 2004 | This Is Wonderland | Len Taft | TV | 8.0 | 39 |
| 2004 | This Is Wonderland | TV | 8.0 | 39 | |
| 2004 | Brave New Girl | Jason Sloan | Film | 7.3 | 39 |
| 2004 | Irish Eyes | Paul Keaton | Film | 4.2 | 39 |
| 2004 | The Cradle Will Fall | Richard Carroll | Film | 5.0 | 39 |
| 2003 | Defending Our Kids: The Julie Posey Story | Steve 42 | Film | 7.0 | 38 |
| 2002 | Strange Days at Blake Holsey High | TV | 8.7 | 37 | |
| 2002 | Her Best Friend's Husband | Elliott | Film | 5.1 | 37 |
| 2002 | Power and Beauty | Frank Sinatra | Film | 7.0 | 37 |
| 2001 | Degrassi | Mr. Miles Hollingsworth II | TV | 7.6 | 36 |
| 2001 | Mutant X | Carl | TV | 6.7 | 36 |
| 2001 | Exit Wounds | Mulcahy's Date | Film | 5.9 | 36 |
| 2001 | Blue Murder | TV | 6.1 | 36 | |
| 2001 | Khaled | Mr. Borquin | Film | 6.5 | 36 |
| 2001 | Sanctuary | David Delaney | Film | 4.1 | 36 |
| 2000 | Turn It Up | Mr. White | Film | 4.8 | 35 |
| 2000 | The Deadly Look of Love | D.A. Barry Fenley | Film | 4.6 | 35 |
| 1999 | The City | Jack Berg | TV | 7.0 | 34 |
| 1999 | Sam's Army | Film | 9.0 | 34 | |
| 1998 | Highlander: The Raven | Riley Del Deegan | TV | 5.4 | 33 |
| 1998 | Ice | Airport Gunman | Film | 5.2 | 33 |
| 1997 | Earth: Final Conflict | Dr. Raymond Fuchs / Stephen | TV | 6.8 | 32 |
| 1996 | Psi Factor: Chronicles of the Paranormal | TV | 6.9 | 31 | |
| Counselling | Clark | Film | 10.0 | — |