Career
Thayer is best known for her work on television From 1978-1986, she played Jenny Wolek in the American Broadcasting Company daytime soap opera, One Life to Live. Thayer assumed the role in August 1978 amid a contract dispute between Katherine Glass and American Broadcasting Company Daytime.
In 1986, Thayer left One Life to Live and began a career on primetime television
In 1992, she joined the cast of the American Broadcasting Company legal series, Matlock portraying Matlock"s daughter, Leanne MacIntyre, and was a regular cast member. From 1997-1998, she had regular role in the Pensacola: Wings of Gold.
In film, Thayer co-starred in Hero and the Terror (1988) and Murder in Mexico: The Bruce Beresford-Redman Story (2015). She guest starred in a number of television shows, including Moonlighting, Murder, She Wrote, 7th Heaven, Diagnosis: Murder, Judge Advocate General, Cold Case, Without a Trace, Castle, and How to Get Away with Murder.
She had a recurring role in General Hospital as Kylie Quinlan in 1994.
In 2011, she guest starred on Days of Our Lives as Susan Banks.