Louise Lasser died at her home in Manhattan at age 87, The Guardian reported July 8, citing a report 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.

Lasser's career trajectory ran through two distinct eras of American screen comedy, and she anchored both. In the late 1960s and early 1970s, she was Woody Allen's first leading lady, appearing opposite him in "Take the Money and Run" (1969), "Bananas" (1971), and "Everything You Always Wanted to Know About Sex (*But Were Afraid to Ask)" (1972), a stretch that coincided with their four-year marriage. That period established the deadpan, slightly unmoored comic persona that would define her subsequent television work.

That persona found its fullest expression in "Mary Hartman, Mary Hartman," the Norman Lear-created satirical soap opera that ran from January 1976 to July 1977 and produced more than 300 episodes across two seasons. Lear's series, syndicated rather than network-broadcast in a format then unusual for scripted television, used the conventions of daytime melodrama to needle consumerism, media saturation, and suburban malaise — with Lasser's title character serving as the vehicle for that critique. The show's rapid, five-nights-a-week production schedule and its sustained tonal commitment to deadpan absurdism made it a reference point for satirical television that followed, and Lasser's performance became inseparable from the format's identity.

Before any of that, Lasser worked in theater and cabaret around Manhattan, living with her parents while building a stage résumé, according to The New York Times. That grounding in live performance and improvisational comedy circuits fed directly into the register Allen and later Lear would exploit on screen.

Her filmography after "Mary Hartman" resisted easy categorization, which tracked with the itinerant path many character actors of her generation took once a signature role had run its course. She appeared in Todd Solondz's "Happiness," a film built on the kind of discomfiting suburban unease her earlier work had helped popularize; in the studio comedy "Mystery Men"; and in Darren Aronofsky's "Requiem for a Dream," a considerably darker register than either. In 2014, Lena Dunham cast her in "Girls," a role that introduced Lasser to a younger audience that had likely encountered her, if at all, through cultural references to "Mary Hartman" rather than the show itself.

The through-line across six decades of credits was a comic sensibility built on affectlessness — delivering escalating absurdity in a flat, almost clinical register. That approach predates and arguably informs a lineage of television satire that runs through mockumentary sitcoms and deadpan sketch comedy; whether "Mary Hartman" gets sufficient credit in that lineage is a separate argument, but the show's format innovations, stripping the soap opera of its sincerity while keeping its structure intact, were distinctive for 1976 television.

Coverage of her death has come from outlets on both sides of the Atlantic, with The New York Times publishing first on July 7 and The Guardian following July 8, alongside obituaries from The Hollywood Reporter and Variety. No cause of death has been reported in any of the accounts so far published.