John Ralston

• Name — John Ralston • Born — 9 October 1964 • Birthplace — Miramichi, New Brunswick, Canada • Years Active — 1997–present • Spouse — Karen Waddell (?–present) John Ralston (born October 9, 1964) is a Canadian actor.

Ralston's most notable roles are George Venturi on Life with Derek, and his role as Mr. Avenir on Strange Days at Blake Holsey High. He was also the lead on the 2010–12 HBO Canada series Living in Your Car. Earlier in his career, Ralston was seen on the Toronto stage in a production of George F. Walker's Risk Everything in 1998. In 2006 and 2007, he was featured in Toyota Tundra truck commercials airing in Canada, and starred as Ming the Merciless in the 2007 Sci-Fi Channel original series Flash Gordon. In 2008 he was in the Lifetime movie A Near Death Experience. In July 2013, Ralston appeared on Degrassi in its 13th season as Miles Hollingsworth II, a role he continued through its 14th and final season. Ralston reprised this role in the follow-up series, Degrassi: Next Class. In 2015, he co-starred as Jean-Claude Van Damme's estranged brother in the film, Pound of Flesh.

Ralston was born in Miramichi, New Brunswick. He grew up in Fredericton and St. Andrews, New Brunswick. He received a Bachelor of Education degree (Literature and Anthropology) from The University of New Brunswick. He became interested in acting while studying for a diploma in jazz studies at St. Francis Xavier University in Nova Scotia. Ralston lives in Toronto, Canada. He has a son named Stuart, who is best known as the original voice of Rocky from the TV series PAW Patrol and as the second voice of O the Owl on Daniel Tiger's Neighborhood.

• Year — Title — Role — Notes • 1997 — Psi Factor — Corbin Dean — "The Undead/The Stalker" • 1998 — La Femme Nikita — Sullivan Bates — "Soul Sacrifice" • 1998 — Highlander: The Raven — Riley Del Deegan — "Birthright" • 1999 — Vanished Without a Trace — Neil Farley — TV film • 1999 — Mythic Warriors — Paris (voice) — "Ulysses and the Trojan Horse" • 1999–2000 — The — Jack Berg — Main role • 2000 — The — District Atty. Barry Fenley — TV film • 2000 — Earth: Final Conflict — Dr. Raymond Fuchs / Stephen — "First Breath" • 2001 — Sanctuary — David Delaney — Television film • 2001 — Doc — Rick — "Love or Money" • 2002 — Queer as Folk — Rev. Tom Butterfield — "Accentuate the Positive" • 2002 — Her Best Friend's Husband — Elliott — TV film • 2002 — Jeremiah — Dr. Sean Alexander — "Firewall" • 2002 — Power and Beauty — Frank Sinatra — TV film • 2002 — Adventure Inc. — Prof. Halpern — "Beyond the Missing Link" • 2002 — No Night Is Too Long — Kit Winwood — TV film • 2002 — Chasing Cain: Face — Pessoa — TV film • 2003 — Another Country — Lloyd Chandler — TV film • 2003 — Blue Murder — Phil Green — "Boy Band" • 2003 — Defending Our Kids: The Julie Posey Story — Steve 42 — TV film • 2003 — Jinnah: On Crime - White Knight, Black Widow — Neil Thompson — TV film • 2003 — Mutant X — Carl — "The Hand of God" • 2004 — The — Nathan Halpern — "Swimmers" • 2004 — The — Dr. Richard Carroll — TV film • 2004 — Wild Card — Dr. Kadar — "Premonition Mission" • 2004 — The — Cary — "Pilot" • 2005–06 — Strange Days at Blake Holsey High — Jack Avenir — Recurring role • 2005–06 — This Is Wonderland — Len Taft — "3.2", "3.12" • 2005–09 — Life with Derek — George Venturi — Main role • 2006 — The — Jake — TV film • 2006 — Instant Star — Don — Recurring role • 2006 — Earthstorm — Dr. Garth Pender — TV film • 2006 — Angela's Eyes — Ed Mulhall — "Undercover Eyes" • 2007 — Demons from Her Past — Quentin Baxter — TV film • 2007–08 — Friends and Heroes — Lucius / Various (voice) — Recurring role • 2007–08 — Flash Gordon — Ming the Merciless — Main role • 2008 — A — Dr. William Shaw — TV film • 2010 — Vacation with Derek — George Venturi — TV film • 2010 — The — William Rivers — TV film • 2010–12 — Living in Your Car — Steve Unger — Main role • 2011 — Nikita — Dr. Joseph Mars — "Falling Ash" • 2012 — Good God — Danny McClure — Main role • 2012 — The — Mitch Deerfoot — "She Sells Sanctuary" • 2012 — Flashpoint — Senator Mark Drury — "A World of Their Own" • 2012–13 — Bomb Girls — Pastor Vernon Rowley — Recurring role • 2013 — Played — Thomas Novak — "Secrets" • 2013–15 — Degrassi: The Next Generation — Miles Hollingsworth II — 18 episodes • 2014 — Not With My Daughter — Detective Mike — TV film • 2014 — Ascension — Robert Bryce — TV miniseries • 2015 — The — Ezekiel Danforth — Recurring role • 2015 — Degrassi: Don't Look Back — Mr. Miles Hollingsworth II — TV film • 2015 — Haven — Walter — "Wild Card", "Perditus" • 2016-17 — Degrassi: Next Class — Mr. Miles Hollingsworth II — 4 episodes • 2016 — The — Bill — TV film • 2016 — Bitten — Sasha Antonov — Recurring role • 2017 — Reign — Lord Ruthven — "The Shakedown", "Coup de Grace", "A Bride. A Box. A Body." • 2021 — Ginny and Georgia — Whit Randolph • 2023 — Life with Luca — George Venturi — TV film • 2024 — Virgin River — Roland — Recurring Role • 2025 — Sullivan's Crossing — Jed Jones — 4 episodes • 2025 — Law & Order Toronto: Criminal Intent — Christopher Parsons — episode: Hoggs Hollow • 2025 — Murdoch Mysteries — Robert Borden — "The Borden Ultimatum"