Eric Keenleyside is a Canadian actor who was born in St. Stephen, New Brunswick, grew up in London, Ontario, and spent time in Brisbane, Australia. He received a Bachelor of Fine Arts (acting) from the University of Windsor (Ontario, Canada) in 1980 and apprenticed at the Stratford Shakespeare Festival. He has lived and worked in Toronto, Los Angeles, and Vancouver. He made guest appearances on all three of the longest-running North American science fiction series: The X-Files (1993), Stargate SG-1 (1997), and Smallville (2001).
Known For
Credits
Cast Credits
Happy Face (2025)
Guest starring as Carl O'Neill
(3 episodes)
- Episode 1x08: The Star (May 1, 2025)
- Episode 1x06: Lorelai (Apr 17, 2025)
- Episode 1x02: Killing Shame (Mar 20, 2025)
Superman & Lois (2021)
Guest starring as George Dean
(13 episodes)
- Episode 3x02: Uncontrollable Forces (Mar 21, 2023) [Co-Star]
- Episode 3x01: Closer (Mar 14, 2023) [Co-Star]
- Episode 2x14: Worlds War Bizarre (Jun 21, 2022) [Co-Star]
- Episode 2x09: 30 Days and 30 Nights (Mar 29, 2022) [Co-Star]
- Episode 2x07: Anti-Hero (Mar 8, 2022) [Co-Star]
- Episode 2x05: Girl... You'll Be a Woman, Soon (Feb 22, 2022) [Co-Star]
- Episode 2x04: The Inverse Method (Feb 1, 2022) [Co-Star]
- Episode 2x02: The Ties That Bind (Jan 18, 2022) [Co-Star]
- Episode 1x15: Last Sons of Krypton (Aug 17, 2021) [Co-Star]
- Episode 1x14: The Eradicator (Aug 10, 2021) [Co-Star]
- Episode 1x13: Fail Safe (Jul 20, 2021) [Co-Star]
- Episode 1x04: Haywire (Mar 16, 2021) [Co-Star]
- Episode 1x02: Heritage (Mar 2, 2021) [Co-Star]
A Martha's Vineyard Mystery (2020)
Guest starring as Chief Madieras
(4 episodes)
- Episode 2021-05-16: Poisoned in Paradise: A Martha's Vineyard Mystery (May 16, 2021)
- Episode 2021-01-17: Ships in the Night: A Martha's Vineyard Mystery (Jan 17, 2021)
- Episode 2020-02-23: Riddled with Deceit: A Martha's Vineyard Mystery (Feb 23, 2020)
- Episode 2020-01-12: A Beautiful Place to Die: A Martha's Vineyard Mystery (Jan 12, 2020)
Mystery 101 (2019)
Guest starring as Phil Jenk
- Episode 2019-09-15: Mystery 101: Words Can Kill (Sep 15, 2019)
Unspeakable (2019)
Guest starring as Dr. Martin Davey
(5 episodes)
- Episode 1x07: Intent (Feb 20, 2019)
- Episode 1x06: Krever (Feb 13, 2019)
- Episode 1x03: Heat-Treatment (Jan 23, 2019)
- Episode 1x02: Contraction (Jan 16, 2019)
- Episode 1x01: Emergence (Jan 9, 2019)
A Series of Unfortunate Events (2017)
Guest starring as Mr. Labinski
- Episode 3x06: The Penultimate Peril: Part Two (Jan 1, 2019) [Co-Star]
Dirk Gently's Holistic Detective Agency (2016)
Guest starring as Edmund Doyle
(3 episodes)
- Episode 1x08: Two Sane Guys Doing Normal Things (Dec 10, 2016) [Co-Star]
- Episode 1x06: Fix Everything (Nov 26, 2016) [Co-Star]
- Episode 1x05: Very Erectus (Nov 19, 2016) [Co-Star]
The Man in the High Castle (2015)
Guest starring as Ron Whittaker
- Episode 2x02: The Road Less Traveled (Dec 15, 2016) [Co-Star]
Strange Empire (2014)
Guest starring as Abe Little
(3 episodes)
- Episode 1x06: Electricity (Nov 17, 2014)
- Episode 1x04: The Whiskey Trader (Oct 27, 2014)
- Episode 1x02: Buckskin Princess (Oct 13, 2014)
Fargo (2014)
Guest starring as Bud Jorgenlen
(3 episodes)
- Episode 2x04: Fear and Trembling (Nov 2, 2015) [Co-Star]
- Episode 2x02: Before the Law (Oct 19, 2015) [Co-Star]
- Episode 2x01: Waiting for Dutch (Oct 12, 2015) [Co-Star]
Emily Owens, M.D. (2012)
Guest starring as Mr. Nelson
- Episode 1x12: Emily and... the Perfect Storm (Jan 29, 2013)
Once Upon a Time (2011)
Guest starring as Sir Maurice / Moe French
(6 episodes)
- Episode 5x21: Last Rites (May 8, 2016)
- Episode 5x17: Her Handsome Hero (Apr 10, 2016)
- Episode 5x11: Swan Song (Dec 6, 2015)
- Episode 4x06: Family Business (Nov 2, 2014) [Co-Star]
- Episode 2x04: The Crocodile (Oct 21, 2012)
- Episode 1x12: Skin Deep (Feb 12, 2012)
The Killing (2011)
Guest starring as Singing Detective
- Episode 1x01: Pilot (Apr 3, 2011) [Co-Star]
Guest starring as Sergeant Emmes
- Episode 3x06: Eminent Domain (Jun 30, 2013) [Co-Star]
Hellcats (2010)
Guest starring as Bob Overton
(5 episodes)
- Episode 1x14: Remember When (Feb 8, 2011)
- Episode 1x13: Worried Baby Blues (Feb 1, 2011)
- Episode 1x11: Think Twice Before You Go (Dec 1, 2010)
- Episode 1x09: Finish What We Started (Nov 10, 2010)
- Episode 1x08: Back of a Car (Nov 3, 2010)
Hallmark Channel's Countdown to Christmas (2009)
Guest starring as Jimmy Blaylock
- Episode 2025-10-18: A Royal Montana Christmas (Oct 18, 2025)
Guest starring as Security Guard
- Episode 2011-11-26: Debbie Macomber's: Trading Christmas (Nov 26, 2011)
Traveler (2007)
Guest starring as Robert Doherty
(2 episodes)
- Episode 1x07: The Reunion (Jul 11, 2007)
- Episode 1x06: The Trader (Jun 27, 2007)
The Evidence (2006)
Guest starring as Property Manager
- Episode 1x08: And the Envelope Please (Jul 1, 2006)
Masters of Horror (2005)
Guest starring as Sergeant Booker
- Episode 2x11: The Black Cat (Jan 19, 2007)
Supernatural (2005)
Guest starring as Dennis
- Episode 2x05: Simon Said (Oct 26, 2006) [Co-Star]
Guest starring as Jim McAnn
- Episode 7x18: Party On, Garth (Mar 30, 2012) [Co-Star]
The King of Queens (1998)
Guest starring as Roger
- Episode 2x25: Whine Country (May 22, 2000) [Co-Star]
Cold Squad (1998)
Guest starring as Captain Rudecki
- Episode 4x17: The Unsinkable Iwa Gudang (Mar 31, 2001)
Guest starring as Mr. Walters
(2 episodes)
- Episode 7x13: And the Fury (2) (Jun 4, 2005)
- Episode 7x12: The Filth (1) (May 28, 2005) [Co-Star]
The Outer Limits (1995)
Guest starring as Peters
- Episode 2x04: I Hear You Calling (Jan 26, 1996) [Co-Star]
Guest starring as Major Ford
- Episode 4x11: The Vaccine (Apr 3, 1998)
Guest starring as Friedkin
- Episode 5x01: Alien Radio (Jan 22, 1999)
Hawkeye (1994)
Guest starring as Doyle
(3 episodes)
- Episode 1x22: The Return (May 14, 1995) [Uncredited]
- Episode 1x02: Pilot (2) (Sep 25, 1994)
- Episode 1x01: Pilot (1) (Sep 18, 1994)
Highlander (1992)
Guest starring as Dallman Ross
- Episode 3x07: The Lamb (Nov 12, 1994)
Guest starring as Trey Franks
- Episode 5x03: Manhunt (Oct 19, 1996)
War of the Worlds (1988)
Guest starring as Foreman
- Episode 1x03: The Walls of Jericho (Oct 10, 1988)
Check It Out! (1985)
Guest starring as Bruno
- Episode 1x21: Jack Be Numbskull (Mar 5, 1986) [Co-Star]
The Twilight Zone (1985)
Guest starring as Bartender
- Episode 3x27: Love is Blind (Mar 25, 1989) [Co-Star]