Louise Lasser died at her home in Manhattan at age 87, The Guardian reported July 8, citing reporting first published by The New York Times a day earlier. She was born April 11, 1939, per The Associated Press. She is survived by her longtime partner, actor Michael Citriniti. No cause of death has been reported.

Lasser's work spanned two influential periods in American comedy. In the late 1960s and early 1970s, she was Woody Allen's leading lady in "Take the Money and Run" (1969), "Bananas" (1971), and "Everything You Always Wanted to Know About Sex (*But Were Afraid to Ask)" (1972)—the same years they were married. Those films established the flat, emotionally detached comic style that would shape everything she did afterward.

That style reached its fullest form in "Mary Hartman, Mary Hartman," the satirical soap opera created by Norman Lear. The show aired from January 1976 to July 1977, syndicated to local TV stations rather than broadcast on a major network—an unusual distribution model for scripted television at the time. It used the familiar structure and melodrama of daytime soap operas to critique consumerism, media overload, and the anxieties of suburban life. Lasser's title character anchored that critique, delivering increasingly absurd situations in an unwavering deadpan tone.

The show's format—five episodes a week, sustained commitment to flat delivery of surreal material—became a touchstone for satirical television that followed. The format innovations alone, stripping away the emotional sincerity of soap opera while keeping its narrative structure, stood out in 1976 television.

Before her work in film and television, Lasser performed in theater and cabaret in Manhattan. She lived with her parents while building a stage reputation, according to The New York Times. That background in live performance and improvisational comedy fed directly into the register Woody Allen and later Norman Lear would draw on for their projects.

After "Mary Hartman" ended, Lasser's filmography took varied paths. She appeared in Todd Solondz's "Happiness," which drew on the kind of suburban discomfort her earlier work had helped establish; in the studio comedy "Mystery Men"; and in Darren Aronofsky's "Requiem for a Dream," which pitched her into considerably darker material. In 2014, Lena Dunham cast her in "Girls," a role that introduced Lasser to viewers who may have only known "Mary Hartman" through cultural memory rather than having watched it.

The consistent thread across six decades was her comic approach: delivering escalating absurdity in a flat, almost clinical register. That sensibility predates and likely influenced the deadpan sketch and mockumentary comedy that became standard on television later. Whether "Mary Hartman" receives its due in that lineage is debatable, but the show's structural innovations were genuinely distinctive.

Coverage of her death appeared in outlets on both continents, with The New York Times reporting first on July 7 and The Guardian following July 8, alongside pieces from The Hollywood Reporter and Variety.