She is the sister of Canadian actress Cynthia Dale. From 1980 to 1986 she was married to Robert Lantos; they have 2 children, Sabrina and Ariel.
She first entered the acting world in 1965, when she accompanied her sister to an audition.
In 2003, she received the Earle Grey Award recognizing her lifetime achievements in the Canadian entertainment industry.
| Year | Title | Role | Notes |
|---|
| 1980 | Bizarre | Various | TV series |
| 1983 | Vanderberg | Sandra Evans | TV series |
| 1983 | When Angels Fly | Marta Wendell | TV film |
| 1985 | Love & Larceny | Betsy Bigley | TV film |
| 1985 | {{sortname>The|Cap|The Cap (film)}} | Anna Diamond | TV film |
| 1985 | Empire, Inc. | Cleo | TV miniseries |
| 1985–1987 | Night Heat | Crystal / Connie Hackman / Laura Beaumont / Gail | Episodes: "Jane the Ripper", "Showdown", "The Beaumont Line", "Grace" |
| 1986 | Philip Marlowe, Private Eye | Harriet Huntress | Episode: "Trouble Is My Business" |
| 1986 | Adderly | Linda McBride | Episode: "Nina Who?" |
| 1986 | Hot Shots | Hannah | Episode: "Riot" |
| 1986 | Alfred Hitchcock Presents | Betty Jo Bennington | Episode: "The Specialty of the House" |
| 1987 | Carly's Web | Celeste Hedley | TV film |
| 1987 | First Offender | Margie | TV film |
| 1987 | Hoover vs. the Kennedys: The Second Civil War | Jacqueline Kennedy | TV miniseries |
| 1988 | {{sortname>The|Twilight Zone|The Twilight Zone (1985 TV series)}} | Selena Brockman | Episode: "Our Selena Is Dying" |
| 1988 | Shades of Love: Midnight Magic | Dr. Mary Cahoun | TV film |
| 1988 | {{sortname>The|Campbells}} | Rachel Tremayne | Episode: "The Last Performance" |
| 1988 | Lonely Knights | Kelly Stoneham | TV film |
| 1989 | Bordertown | Kristina | Episode: "The Killing" |
| 1989 | In Opposition | Mary Margaret McCarthy | TV film |
| 1989 | Dick Francis: Blood Sport | Eunice Teller | TV film |
| 1990 | {{sortname>The|Hitchhiker|The Hitchhiker (TV series)}} | Laura Perry | Episode: "A Function of Control" |
| 1990, 1993 | E.N.G. | Bridget Halliday / Brigid / Mary Kanby | Episodes: "Into Darkness", "Malicious Intent", "Pandora's Box" |
| 1990–91 | Counterstrike | Andrea / Salomé | Episodes:: "Now and at the Hour of Our Death", "It's All in the Game" |
| 1991 | Street Legal | Patricia Wineberg | Episode: "Eye of the Beholder" |
| 1991 | Grand Larceny | Betsy Bigley / Mrs. Chadwick / Maisie de Laylie | TV film |
| 1992 | {{sortname>The|Ray Bradbury Theater}} | Thedy | Episode: "The Jar" |
| 1992 | Street Justice | Sherry Rivers | Episode: "Catcher" |
| 1992 | Secret Service | Rachel | Episode: "The Banker and the Belle/Car Wars" |
| 1992–1996 | X-Men | Mystique | TV series |
| 1993 | Forever Knight | Baroness / Dr. Sophia Jergen | Episode: "If Looks Could Kill" |
| 1993 | Matrix | Marilynn Clausen | Episode: "False Witness" |
| 1993 | Family Passions | Yvonne Haller | TV series |
| 1994 | The Series | Fanny LaMour | Episodes; "The Future of Law Enforcement: Parts 1 & 2" |
| 1994 | Broken Lullaby | Gudrun Kuper | TV film |
| 1994–1996 | Side Effects | Dr. Liz Anderson | Recurring role |
| 1995 | TekWar | Lianna Cruz | Episode: "Stay of Execution" |
| 1995 | Due South | Dr. Carter | Episode: "Letting Go" |
| 1995 | The Legend Continues | Teresa Keller Becker | Episode: "The Promise" |
| 1995 | Taking the Falls | Gloria | Episode: "A Tale of Two Sisters" |
| 1996–1998 | Once a Thief | The Director | Main role |
| 1998 | Silver Surfer | Nebula (voice) | Episodes: "Learning Curve: Parts 1 & 2" |
| 1998 | Dream House | Laura Thornton | TV film |
| 1998 | Mythic Warriors | Medusa (voice) | Episode: "Perseus: The Search for Medusa" |
| 1999–00 | Power Play | Samantha Robbins | Recurring role (season 2) |
| 2000 | Live Through This | Annie Baker | Main role |
| 2001 | Made in Canada | Janet | Episode: "Alan's Ex" |
| 2001 | Mutant X | Wendy Stone | Episode: "Crime of the New Century" |
| 2002 | Guilty Hearts | Alison Carrow | TV film |
| 2002 | Monk | Barbara Chabrol | Episode: "Mr. Monk and the Airplane" |
| 2004 | Doc | Colleen Sinclair | Episode: "Who Wants to Be a Millionaire" |
| 2004 | This Is Wonderland | The Widow | Episode: "1.9" |
| 2004 | Puppets Who Kill | Black Widow | Episode: "Pizza Boys Are Missing" |
| 2004 | {{sortname>The|Eleventh Hour|The Eleventh Hour (Canadian TV series)}} | Laura McDonald | Episode: "Nadir" |
| 2005 | Harry and His Bucket Full of Dinosaurs | Book / Lips (voice) | Episode: "Abracadabra" |
| 2005 | Missing | Gail Prescott | Episode: "Last Night" |
| 2005 | Get Ed | Kora (voice) | TV series |
| 2005 | Code Breakers | Mrs. Nolan | TV film |
| 2006 | Aladdin: The Magical Family Musical | Sheherazade | TV film |
| 2006–07 | Rumours | Michelle Lawrence | Main role |
| 2010 | Men with Brooms | Joanie Parson | Episodes: "Big Changes", "Love, Smells, Funny", "Wedding Knells" |
| 2013 | Suits | Gillian | Episode: "Blind-Sided" |
| 2014 | Lost Girl | The Leviathan | Episode: "Destiny's Child" |
| 2015 | {{sortname>A|Wish Come True|nolink=1}} | Shirley | TV film |
| 2015 | So You Said Yes | Claire Taylor | TV film |
| 2016 | Valentine Ever After | Mrs. Stanheight | TV film |
| 2016 | Four in the Morning | Dovie | Episode: "Folklore" |
| 2017 | Schitt's Creek | Trish | Episode: "Rooms by the Hour" |
| 2017 | What Would Sal Do? | Maria | Main role |
| 2017 | Saving Hope | Martha Reid | Episodes: "Doctor Robot", "Gutted", "All Our Yesterdays" |
| 2019 | Homekilling Queen | Evelyn Whitland | TV film, post-production |