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Gwynyth Walsh
ACTOR

Gwynyth Walsh

Known for Supernatural · Smallville · Stargate SG-1

Gwynyth Walsh is a Canadian actress best known to Star Trek fans for portraying the recurring villain B'Etor, one of the scheming and power-hungry Duras sisters. Alongside her onscreen sister Lursa (played by Barbara March), Walsh brought a unique blend of menace and charisma to the Klingon political landscape throughout the early 1990s. Her multi-series footprint across the Star Trek franchise spans several notable appearances.

Snapshot 2026-10-16

Born
Nov 7, 1958
Birthplace
Winnipeg, Manitoba, Canada
Known For
Acting

Biography

Gwynyth Walsh is a Canadian actress best known to Star Trek fans for portraying the recurring villain B'Etor, one of the scheming and power-hungry Duras sisters. Alongside her onscreen sister Lursa (played by Barbara March), Walsh brought a unique blend of menace and charisma to the Klingon political landscape throughout the early 1990s. Her multi-series footprint across the Star Trek franchise spans several notable appearances.

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Known For

TVSupernatural
SupernaturalPsychologist · 2005
★ 8.3
TVSmallville
SmallvilleMrs. Moore · 2001
★ 8.2
TVStargate SG-1
Stargate SG-1Kelmaa / Queen Egeria · 1997
★ 8.3
TVStar Trek: The Next Generation
Star Trek: The Next GenerationB'Etor · 1987
★ 8.4
TVThe Man in the High Castle
The Man in the High CastleMargarethe Himmler · 2015
★ 7.5
TVStar Trek: Voyager
Star Trek: VoyagerChief Examiner Nimira · 1995
★ 7.8
TVStar Trek: Deep Space Nine
Star Trek: Deep Space NineB'Etor · 1993
★ 7.9
TVContinuum
ContinuumMariah · 2012
★ 7.5

Filmography

Movies

Pajama TopsClaudine The Chauvinet's Sexy Maid
1983
A Child's Christmas in WalesMother (past)
1987
Blue MonkeyDr. Rachel Carson
1987
The Christmas WifeBetty (uncredited)
1988
Passion and ParadiseLee Kingsley
1989
The ChallengersAngie Daniels
1990
My Son JohnnyJanet David
1991
Perry Mason: The Case of the Maligned MobsterMaria Sorrento
1991
TG
The Girl From MarsStacey Moliet
1991
TP
The PortraitHelen
1992
Darkness Before DawnSandra Guard
1993
The CrushLiv Forrester
1993
Without a Kiss GoodbyeJenine
1993
In the Heat of the Night: Give Me Your LifeLula Finch
1994
Star Trek: GenerationsB'Etor
1994
Freefall: Flight 174Pearl Dion
1995
Soft DeceitCaptain Brock
1995
TO
The Other Mother: A Moment of Truth MovieBarbara
1995
Justice for AnnieLydia Sawyer
1996
Stand Against FearVicky Cooke
1996
The Limbic RegionAnn Lucca
1996
2103: The Deadly WakeMartine Quiller
1997
Final DescentPatty
1997
The Perfect MotherJoy Pigeon
1997
Crossing FieldsJessica
1998
AG
A Gift of Love: The Daniel Huffman StoryLynn Young
1999
Our Guys: Outrage at Glen RidgeMrs. Archer
1999
Zenon: Girl of the 21st CenturyAstrid Kar
1999
Ice AngelMrs. Bryann
2000
Stealing ChristmasJo
2003
MXP: Most Xtreme PrimateJulie
2004
Cigarette BurnsKatja
2005
Eight Days to LiveJodeen Cassidy
2006
NightmareDr. Edmonds
2007
Barbie in 'A Christmas Carol'Spirit Of Christmas Future (voice)
2008
Maternal ObsessionInez Stanler
2008
Sea BeastBarbara
2008
Storm SeekersDr. Johnson
2009
Star Trek: The Next Generation - RedemptionB'Etor
2013
The Christmas OrnamentEve Atkinson
2013
For Better or For WorseMarianne
2014
The Color of RainGina's Mother
2014
'Tis the Season for LoveShirley Baker
2015
A Gift of MiraclesElaine Parsons
2015
Even Lambs Have TeethMother
2015
A Family of GhostsMargaret
2016
ChokeslamJanet
2016
Journey Back to ChristmasGretchen
2016
Final VisionPerry MacDonald
2017
Hailey Dean Mysteries: Deadly EstateDoris Keating
2017
Like Cats & DogsEllen
2017
My Favorite WeddingMrs. Tilton
2017
Homegrown ChristmasPeg Finley
2018
It's Christmas, EveNella Morgan Bell
2018
Miracle in East TexasClassafay Vaudine
2020
The Secret IngredientMrs. McIntyre
2020
A Royal Montana ChristmasGrand Duchess Charlotte
2025
The Love HeistPhyl
2026

Television

Murder, She WroteGina Powell · 1 eps
1984
MacGyverMontana · 1 eps
1985
The New Alfred Hitchcock PresentsAnne Hathaway · 1 eps
1985
The Twilight ZoneElaine · 1 eps
1985
Hot ShotsLynda Martin · 1 eps
1986
L.A. LawMelanie Hayes · 2 eps
1986
MatlockSandra Hopkins · 1 eps
1986
MatlockKiki Rice · 1 eps
1986
Friday the 13th: The SeriesReatha Wilkerson · 1 eps
1987
Star Trek: The Next GenerationB'Etor · 3 eps
1987
War of the WorldsCharlotte · 2 eps
1988
Alien NationDiane Elrea · 1 eps
1989
Eerie, IndianaTod's Mother · 1 eps
1991
The Commish1 eps
1991
Forever KnightThe Hunter · 1 eps
1992
Melrose PlaceMargaret Jeffers · 1 eps
1992
Star Trek: Deep Space NineB'Etor · 1 eps
1993
ERBarbara Knight · 1 eps
1994
One West Waikiki2 eps
1994
Marker1 eps
1995
SlidersDetective L. Specateli · 1 eps
1995
Star Trek: VoyagerChief Examiner Nimira · 1 eps
1995
MillenniumMiss Shetterly · 1 eps
1996
Stargate SG-1Kelmaa / Queen Egeria · 1 eps
1997
Da Vinci's Inquest91 eps
1998
Twice in a LifetimeMadeline Strong · 1 eps
1999
SmallvilleMrs. Moore · 1 eps
2001
The Collector1 eps
2004
Commander in ChiefJackie Ross · 1 eps
2005
Masters of HorrorKatja · 1 eps
2005
SupernaturalPsychologist · 1 eps
2005
Tin ManEmily · 3 eps
2007
Knights of BloodsteelRaven · 2 eps
2009
R. L. Stine's The Haunting HourMrs. Niffenberger · 1 eps
2010
ContinuumMariah · 1 eps
2012
The Man in the High CastleMargarethe Himmler
2015
The Man in the High CastleMargarete Himmler · 2 eps
2015
Beat BugsDoris · 1 eps
2016
Black SummerBarbara · 4 eps
2019
Virgin RiverJo Ellen · 16 eps
2019
HolidazedLorraine Hill · 8 eps
2024

Photos

Gwynyth Walsh photo
Gwynyth Walsh photo
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