Acting
John Ralston
Born October 9, 1964 · Miramichi, New Brunswick, Canada
Biography
John Ralston (born October 9th, 1964) is a Canadian actor. He is most known for his roles are George Venturi on Life with Derek and Mr. Avenir on Strange Days at Blake Holsey High.
Known for
6.9
Ready or Not
Stevens
7.5
Ginny & Georgia
Whit Randolph
7.1
On the Basis of Sex
Tom Miller
6.0
Infinity Pool
Dr. Modan
5.6
Exit Wounds
Mulcahy's Date
7.7
Nikita
Dr. Joseph Mars
7.5
Haven
Walter
6.1
Stockholm
Detective Jakobsson
6.2
Crisis
FDA Chairman
5.3
Our House
Richard
7.1
Ascension
Robert Bryce
6.9
Bitten
Sasha Antonov
7.5
La Femme Nikita
Sullivan Bates
5.8 TMDB
Pound of Flesh
George, Associate Producer
8.0
Zoey's Extraordinary Playlist
Paul
5.9
The Calling
Andrew Pederson
4.6
Die in a Gunfight
William Rathcart
7.9
Transplant
Mr. Chandler
7.3
Private Eyes
Joel Coleman
7.7
Overcompensating
Professor Cleary
Filmography
- 2025OvercompensatingProfessor ClearySeries
- 2024Law & Order Toronto: Criminal IntentChristopher ParsonsSeries
- 2023MotherlandWernerMovie
- 2023Life with LucaGeorge VenturiMovie
- 2023Infinity PoolDr. ModanMovie
- 2021The Expanse: One ShipMCRN AdmiralSeries
- 2021Joe PickettDerek LongbrakeSeries
- 2021Die in a GunfightWilliam RathcartMovie
- 2021CrisisFDA ChairmanMovie
- 2021Ginny & GeorgiaWhit RandolphSeries
- 2021Two for the WinTom O'NeillMovie
- 2020Nadia, ButterflyGreg DaleMovie
- 2020TaintedGregorMovie
- 2020TransplantMr. ChandlerSeries
- 2020Zoey's Extraordinary PlaylistPaulSeries
- 2019May Your Dominion ExpandMacGregorMovie
- 2019Ready or NotStevensMovie
- 2019StockholmDetective JakobssonMovie
- 2019Radio SilenceStuart WellsMovie
- 2019Red WineReubenMovie
- 2018On the Basis of SexTom MillerMovie
- 2018Our HouseRichardMovie
- 2018Mary Goes RoundWalter "Walt" JacksonMovie
- 2017The Curse of Buckout RoadJohn BuckhoutMovie
- 2017Frankie Drake MysteriesDonald AdamsSeries
- 2016Sadie's Last Days on EarthBurtMovie
- 2016Two Lovers and a BearLucy's FatherMovie
- 2016Private EyesJoel ColemanSeries
- 2016The StepchildBillMovie
- 2015Degrassi: Don't Look BackMr. Miles Hollingsworth IIMovie
- 2015Pound of FleshGeorge, Associate ProducerMovie
- 2014AscensionRobert BryceSeries
- 2014Client SeductionDetective MikeMovie
- 2014The CallingAndrew PedersonMovie
- 2014BittenSasha AntonovSeries
- 2013PlayedThomas NovakSeries
- 2013The InformantJohn WexfordMovie
- 2012Good GodDanny McClureSeries
- 2011Raw OpiumSelf - NarratorMovie
- 2010NikitaDr. Joseph MarsSeries
- 2010HavenWalterSeries
- 2010Vacation with DerekGeorge VenturiMovie
- 2010The CultWilliam RiversMovie
- 2010The CultWilliam RiversSeries
- 2010Living in Your CarSeries
- 2009The ListenerMitch DeerfootSeries
- 2008South of the MoonMatt HawkinsMovie
- 2008A Near Death ExperienceDr. William ShawMovie
- 2007Flash GordonMing the MercilessSeries
- 2007KawOskarMovie
- 2007Friends and HeroesLuciusSeries
- 2007Demons from Her PastQuentin BaxterMovie
- 2006Angela's EyesSeries
- 2006EarthstormDr. Garth BenderMovie
- 2006Strange Days: ConclusionsJack AvenirMovie
- 2005Life with DerekGeorge VenturiSeries
- 2004Irish EyesPaul KeatonMovie
- 2004Brave New GirlJason SloanMovie
- 2004This Is WonderlandLen TaftSeries
- 2004The Cradle Will FallRichard CarrollMovie
- 2003Defending Our Kids: The Julie Posey StorySteve 42Movie
- 2002Strange Days at Blake Holsey HighSeries
- 2002Power and BeautyFrank SinatraMovie
- 2002Her Best Friend's HusbandElliottMovie
- 2001DegrassiMr. Miles Hollingsworth IISeries
- 2001Mutant XCarlSeries
- 2001KhaledMr. BorquinMovie
- 2001Exit WoundsMulcahy's DateMovie
- 2001SanctuaryDavid DelaneyMovie
- 2001Blue MurderSeries
- 2000Turn It UpMr. WhiteMovie
- 2000The Deadly Look of LoveD.A. Barry FenleyMovie
- 1999The CityJack BergSeries
- 1999Sam's ArmyMovie
- 1998Highlander: The RavenRiley Del DeeganSeries
- 1998IceAirport GunmanMovie
- 1997Earth: Final ConflictDr. Raymond Fuchs / StephenSeries
- 1997La Femme NikitaSullivan BatesSeries
- 1996Psi Factor: Chronicles of the ParanormalSeries
- —CounsellingClarkMovie