Actor
Gwynyth Walsh
November 7, 1958 · Winnipeg, Manitoba, Canada
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.
Notable work
8.3Supernatural (2005)
as Psychologist
8.2Smallville (2001)
as Mrs. Moore
8.3Stargate SG-1 (1997)
as Kelmaa / Queen Egeria
8.4Star Trek: The Next Generation (1987)
as B'Etor
6.5Star Trek: Generations (1994)
as B'Etor
7.5The Man in the High Castle (2015)
as Margarete Himmler and as Margarethe Himmler
7.8Star Trek: Voyager (1995)
as Chief Examiner Nimira
7.9Star Trek: Deep Space Nine (1993)
as B'Etor
7.5Continuum (2012)
as Mariah
7.7MacGyver (1985)
as Montana
7.8ER (1994)
as Barbara Knight
6.9Black Summer (2019)
as Barbara
Often works with
Michael Dorn
3 titles together
Star Trek: The Next Generation, Star Trek: Generations, Star Trek: Deep Space Nine
Majel Barrett
3 titles together
Star Trek: The Next Generation, Star Trek: Voyager, Star Trek: Deep Space Nine
Tim Russ
3 titles together
Star Trek: Generations, Star Trek: Voyager, The Twilight Zone
Jensen Ackles
2 titles together
Supernatural, Smallville
Annette O'Toole
2 titles together
Smallville, Virgin River
Richard Dean Anderson
2 titles together
Stargate SG-1, MacGyver
Full filmography · 96
The Love Heist
as Phyl
2026
A Royal Montana Christmas
as Grand Duchess Charlotte
2025
The Secret Ingredient
as Mrs. McIntyre
20206.7
Miracle in East Texas
as Classafay Vaudine
2020
Homegrown Christmas
as Peg Finley
20184.8
It's Christmas, Eve
as Nella Morgan Bell
20186.2
Final Vision
as Perry MacDonald
2017
My Favorite Wedding
as Mrs. Tilton
20176.9
Like Cats & Dogs
as Ellen
20176.3
Hailey Dean Mysteries: Deadly Estate
as Doris Keating
20177.1
Journey Back to Christmas
as Gretchen
20166.5
Chokeslam
as Janet
20164.7