Cast & creator
Chelah Horsdal
Best known for Supernatural, Supernatural, Criminal Minds
Chelah Horsdal is a Canadian actress. She is known for her regular roles in the television series Hell on Wheels, When Calls the Heart, and The Man in the High Castle, recurring roles on Stargate SG-1, Level Up, Arrow, and Star Trek: Discovery, and for her roles in the films Aliens vs. Predator: Requiem and Rise of the Planet of the Apes. Horsdal was born in Vancouver, British Columbia. She says she "was born to hippie parents while surrounded by friends and family on the 'farm' Headacres." She is the daughter of mother Lindsay and folksinger father Valdy. She grew up with her mother in Kitsilano and attended Bayview Elementary followed by Lord Byng Secondary. She began modelling in locally shot TV shows and commercials at 18, and then lived in the Caribbean for a year. Horsdal began her acting career in 2002. She has since appeared in more than 75 commercials as well as in films and on television. She has played lead and supporting roles on Hell on Wheels, The Man In the High Castle, When Calls the Heart, Candiland, Patterson's Wager, Three Weeks, Three Kids, On Strike For Christmas, Marley & Me: The Puppy Years, and Lifetime's The Client List. She had lead roles in Lying To Be Perfect and Mrs. Miracle. Additional credits include leads on the feature Burning Mussolini, Nickelodeon's Gym Teacher: The Movie, co-starring Christopher Meloni and Amy Sedaris, Flirting with Forty with Heather Locklear and the FOX TV pilot The Virgin of Akron, Ohio. Supporting leads include Aliens vs. Predator: Requiem for 20th Century Fox and Possession alongside Sarah Michelle Gellar, as well as Elegy with Ben Kingsley and Penélope Cruz and Rise of the Planet of the Apes with John Lithgow and James Franco. Her performances in the short films Dark Room (2006) and The Hostage (2010) both earned Leo nominations for Best Performance. Recurring roles include Battlestar Galactica, Exes & Ohs, The L Word, Stargate: SG1, Saved, DaVinci's Inquest, Whistler, Blackstone, Clue and Cartoon Network's Level Up. The Hostage, for which Horsdal was nominated for Best Actress at the 2011 Leos, co-starred and was produced by Tahmoh Penikett and Aleks Paunovic. Horsdal was nominated for four more Leo Awards for her guest starring turn on Arctic Air (2013), for Hell on Wheels and When Calls the Heart, and for Patterson's Wager.
Also known as: Chelah Horsdale
60
film credits
43
television credits
103
1951–2026 · acting roles
6.5
average across scored titles
Signature credits
Known for
Across film & television
Filmography (103)
Showing 103 of 103 credits
Supernatural
Cute Librarian
2005Supernatural
Bobby's Mother
2005
Criminal Minds
Heather Woodland
2005
Smallville
Dr. McCann
2001
Arrow
Kate Spencer
2012
Stargate SG-1
Lt. Catherine Womack
1997Stargate SG-1
Lt. Womack
1997
The Good Doctor
Tessa
2017
Star Trek: Discovery
UFP President Laira Rillak
2017
Psych
Beth
2006
The 100
Simone Lightbourne
2014
Off Campus
Carrie Wells
2026
Stargate Atlantis
Erran
2004
Battlestar Galactica
Didi Cassidy
2004
When Calls the Heart
Cat Montgomery
2014
The 4400
Jeanine
2004
The Dead Zone
Janet Miller
2002
Eureka
Mary-Beth Curtis
2006
The Man in the High Castle
Helen Smith
2015
Andromeda
Misabo Ahm
2000
R. L. Stine's The Haunting Hour
Chris' Mom
2010
Motive
Deana Mitchell
2013
Sheriff Country
Judge Merry MacRae
2025
Hell on Wheels
Margaret Palmer
2011
Rise of the Planet of the Apes
Irena - Charles' Nurse
2011
Tru Calling
Admissions Officer
2003
Masters of Horror
Frances Elwood
2005
Firefly Lane
Margie
2021
UnREAL
Louise
2015
Fairly Legal
Brooke Keller
2011
The Cabin in the Woods
Demo Girl
2012
Life Unexpected
Prosecutor
2010
Men in Trees
Pretty Redhead
2006
Emily Owens, M.D.
Marian Kramden
2012
Aliens vs Predator: Requiem
Darcy
2007
Robson Arms
2005
The Returned
Kris
2015
Level Up
Barbara
2012
The Pink Panther
Security Guard
2006
The Exorcism of Emily Rose
Asst. DA #3
2005
Bionic Woman
Suicidal Woman
2007
Whistler
2006
If I Stay
Liddy
2014
The Hat Squad
Young Woman
1992
Prom Pact
Mrs. Lansing
2023
The Guard
2008
Reunion
2005
Paycheck
Young Mother
2003
Hallmark Hall of Fame
Cindy
1951
Hollow Man II
Blind Secretary
2006
The Evidence
2006
Passengers
Janice
2008
The Client List
Doreen
2010
Spontaneous
Denise
2020
Noelle
Shelley Sussman
2019
Even Lambs Have Teeth
Abby
2015
Elegy
Susan Reese
2008
The Show
Elliot's Mom
2017
Marley & Me: The Puppy Years
Carol Grogan
2011
Exes & Ohs
Lauren Brooks
2007
Lying to Be Perfect
Nancy
2010
Flirting with Forty
Anne
2008
Helen
Kara
2009Sundowning
It's Christmas, Carol!
Tanya
2012
Fallen
Lori Corbett
2006
Boundaries
Therapist
2018
Possession
Miranda
2009
Clue: A Movie Mystery Adventure
Headmistress Kroger
2014
Altitude
Mrs. Taylor
2010
The Tortured
Liane Strader
2010
Kill for Me
Maria Klein
2013
Come Dance at My Wedding
Nancy Reed
2009
Dreams in the Witch House
Frances Elwood
2005
Gym Teacher: The Movie
Winnie
2008
Midnight Stallion
Rita Shephard
2013
Betwixt
Vanessa
2010
Never Use Alone
Ramona
Three Weeks, Three Kids
Mandy Norton
2011
Ashes Fall
Joanna
2007
Crossroads - A Story of Forgiveness
Cindy
2007
Alien Trespass
Betsy's Mother
2009
Candiland
Tess/The Queen
2016
Vice
Woman in Elevator
2008
Mrs. Miracle
Kate Preston
2009
Pursued
Sharon
2004
The Grim Sleeper
Livi Vazquez
2014
Gord's Brother
Amanda
2015
Past Lies
Danielle
2008
Last Stand to Nowhere
Wylona Earp
2019
Sole Custody
Anne
2014
Every Second Counts
Mrs. Alcott
2008
When Calls the Heart: The Dance
Cat Montgomery
2014
Hunting Season
Nancy
2013
Burning Mussolini
Cheryll Witherspoon
2009
Perfect Child
Jen
2007
When Calls the Heart: A Telling Silence
Cat Montgomery
2014
Ash
Gail Hurst
2019
A Decent Proposal
Cynthia Lewis
2007
Pretty Little Addict
Donna Phillips
2016
X-Men: The Last Stand
Minivan Mother
2006The Ambassador
Mrs. Spencer
Patterson's Wager
Audrey
2015