|Born||July 6, 1943|
Montreal, Quebec, Canada
|Citizenship||United States, Canada|
|Spouse(s)||Michael Tolan (? - ?)|
Ron Waranch (1972 - ?)
Alan Skip Horwits (1980 - ?)
Forsyth was born in Montréal, Québec. Her father, David Forsyth, was Scots-Canadian; her mother was an Irish American who worked as a model in New York using her maiden name, Rosemary Collins. Her parents separated when she was an infant, and at five years of age she and her mother moved to New York. She studied drama in both high school and college, and she became a model as a teenager. Educated in Stockbridge, Massachusetts, She added to her acting studies by attending the Wynn Handman Drama School in New York. Before she became a model, she worked as a file clerk and a counselor at a camp.
A caption under Forsyth's picture in Life reported, "Rosemary ... was plucked out of a magazine by Universal, then sent to New York for 18 months to act in TV, summer stock, anywhere she could find seasoning jobs." 
She made her acting debut in 1963 on the TV series Route 66 as Claire in episode No. 101, "I Wouldn't Start from Here". She made her film debut in 1965 in Shenandoah from Universal Pictures as James Stewart's daughter.
Forsyth's other notable film credits during the 1960s and '70s include What Ever Happened to Aunt Alice?, Some Kind of a Nut, How Do I Love Thee?, The Brotherhood of the Bell, City Beneath the Sea, Black Eye and with Heston again in the disaster film Gray Lady Down.
By 1971, she started appearing on television frequently. She starred in a pilot for the television series Is There a Doctor in the House?, about a young city doctor who moves to the country to work with a crusty older doctor played by William Windom,:512 but the series was not picked up. From the mid-1970s and on, she worked primarily in television. She was featured in the Columbo television series episode "Murder by the Book," directed by Steven Spielberg. She was also in several episodes of Mannix.
In the early 1960s, Forsyth was the second actress to play Joan Miller on The Defenders.:248 She portrayed Sophia Wayne Capwell on Santa Barbara (1984). She played the fourth Laura Spencer Horton on Days of Our Lives, from 1976–1980, and appeared as Ann McFadden on Dallas (1985).
She guest-starred on such television shows as Fantasy Island, Magnum, P.I., Remington Steele, JAG, Star Trek: Voyager, Murder, She Wrote, Chicago Hope and ER, as well as appearing in the films The Gladiator (1986), A Case for Murder (1993), Exit to Eden (1994), Daylight (1996) and Girl (1998). She had a small but pivotal role in 1994's Disclosure, a film starring Michael Douglas based on a novel by Michael Crichton.
In 1966, Forsyth was nominated for a Golden Globe Award as New Star of the Year-Actress for her work in Shenandoah.
- Shenandoah (1965) as Jennie Anderson
- The War Lord (1965) as Bronwyn
- Texas Across the River (1966) as Phoebe
- It Takes a Thief (in episode "When Good Friends Get Together", 1968) as Miss Harris
- Where It's At (1969) as Diana Mayhew Smith
- What Ever Happened to Aunt Alice? (1969) as Harriet Vaughn
- Some Kind of a Nut (1969) as Pamela Anders
- How Do I Love Thee? (1970) as Marion Waltz
- The Brotherhood of the Bell (1970) as Vivian Masters Patterson
- City Beneath the Sea (1971) as Lia Holmes
- Is There a Doctor in the House (1971) as Dr. Michael Griffin
- The Death of Me Yet (1971) as Sybil Towers
- Night Gallery (in segment "Deliveries in the Rear", 1972) (Season 2, Ep 53) as Barbara Bennet
- Columbo: Murder by the Book (1971) (directed by Steven Spielberg)
- One Little Indian (1973) (cameo)
- Black Eye (1974) as Miss Francis
- Mannix in the "Portrait of a Shadow" (1974)
- Kung Fu (1974) as Ellie Crowell in the episode 'A Small Beheading' (Season 3, Episode 42)
- My Father's House (1975) as Judith Lindholm
- Days of Our Lives (1965) as Laura Spencer Horton (unknown episodes, 1976-1980)
- Gray Lady Down (1978) as Vickie
- Fantasy Island as Dr. Melanie Elisabeth Griffin (3 episodes, 1980-1983)
- WKRP in Cincinnati (1981) as Joyce Armor
- Magnum, P.I. (in episode "Legacy from a Friend", 1983) as Margaret Chase
- Santa Barbara as Sophia Wayne Capwell (40 episodes, 1984)
- Remington Steele as Marjorie Flowers (1 episode, 1984)
- Murder, She Wrote as Andrea Reed (in episode "My Johnny Lies Over the Ocean", 1985)
- Dallas as Ann McFadden (3 episodes, 1985)
- Mr. Belvedere as Ilsa Hufnagel (1 episode) and Louise (2 episodes—2 part finale 1990)
- The Gladiator (1986) as Loretta Simpson
- A Case for Murder (1993) as Judge Helen McCoy
- Exit to Eden (1994) as Mrs. Brady
- Disclosure (1994) as Stephanie Kaplan
- Melissa (1995) as Dr. Gardner
- The Other Women (1995) as Dr. Angela Crane
- Daylight (1996) as Ms. London
- JAG as Senator Grace Marion (1 episode, 1996)
- Star Trek: Voyager as Alzen (1 episode, 1997)
- Dharma & Greg as Merrill (2 episodes, 1997-1998)
- Girl (1998) as Mom
- Valerie Flake (1999) as Irene Flake
- Chicago Hope as Dr. Edith Strauss (2 episodes, 1997-2000)
- ER as Judy (1 episode, 2000)
- Ghosts of Mars (2001) as Inquisitor
- Ally McBeal as Judge Martha Graves (2 episodes, 2000-2001)]
- Providence as Elaine (1 episode, 2002)
- A Time to Remember (2003) as Dorothy Walderson
- Monk as Marcia Ellison (1 episode, 2004)
- NYPD Blue as Felicia Heilbrenner (1 episode, 2005)
- Without a Trace as Martha Scoggins (2 episodes, 2002-2005)
- Sweet Nothing in My Ear (2008) as Louise MIller
- "Hollywood's $9 Million Bet". Eureka Humboldt Standard. California, Eureka. Family Weekly. July 17, 1965. p. 36. Retrieved August 19, 2017 – via Newspapers.com.
- "(untitled)". Albuquerque Journal. New Mexico, Albuquerque. February 7, 1965. p. 81. Retrieved August 19, 2017 – via Newspapers.com.
- Kennedy, Carol (February 3, 1966). "Leggy Blonde Instant Star". The Brandon Sun. Canada, Brandon, Manitoba. Canadian Press. p. 8. Retrieved August 19, 2017 – via Newspapers.com.
- Boyle, Hal (April 8, 1965). "Rosemary Forsyth? She'll Be A Star". Daily Independent Journal. California, San Rafael. Associated Press. p. 36. Retrieved August 19, 2017 – via Newspapers.com.
- "Rosemary Forsyth". Life. October 2, 1964. Retrieved 19 August 2017.
- Rosemary Forsyth profile at allrovi.com
- Terrace, Vincent (2011). Encyclopedia of Television Shows, 1925 through 2010 (2nd ed.). Jefferson, N.C.: McFarland & Company, Inc., Publishers. p. 229. ISBN 978-0-7864-6477-7.
- Lentz, Harris M. III (2012). Obituaries in the Performing Arts, 2011. McFarland. ISBN 9780786469949. Retrieved 19 August 2017.
- Martin, Bob (April 27, 1975). "Rosemary Forsyth soups up career as an actress". Independent Press-Telegram. California, Long Beach. p. 88. Retrieved August 19, 2017 – via Newspapers.com.
- "Rosemary Forsyth Biography (1943?-)". Film Reference. Archived from the original on 20 August 2017. Retrieved 20 August 2017.
- "Rosemary Forsyth". Golden Globe Awards. Hollywood Foreign Press Association. Archived from the original on 20 August 2017. Retrieved 20 August 2017.
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