Mary Loretta "Mariette" Hartley (born June 21, 1940) is an American character actress. Hartley was born in New York City, the daughter of Mary "Polly" Ickes (née Watson), a manager and saleswoman, and Paul Hembree Hartley, an account executive. Her maternal grandfather was John B. Watson, an American psychologist who established the psychological school of behaviorism. Hartley has a younger brother, Paul, who is a writer (The Seventh Tool) and research philosopher. In 1960, Hartley married John Seventa, but they divorced two years later. A second marriage to Patrick Boyriven on August 13, 1978, produced two children, Sean (born 1975) and Justine (born 1978). Hartley and Boyriven divorced in 1996 and Hartley married Jerry Sroka in 2005. Hartley is a 1965 graduate of Carnegie Mellon University (at the time, Carnegie Institute of Technology and Mellon Institute). In her 1990 autobiography Breaking the Silence, written with Anne Commire, Hartley talked about her struggles with psychological problems, pointing directly to Watson’s practical application of his theories as the source of the dysfunction in his family. She has also spoken in public about her experience with bipolar disorder and was a founder of the American Foundation for Suicide Prevention. In 2009, Hartley spoke at a suicide and violence prevention forum about her father's suicide.

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