Penelope Keith, a theater actress who, despite her decidedly unposh upbringing, became famous for playing imperious snobs in two of Britain’s most beloved sitcoms of the 1970s, “The Good Life” and “To the Manor Born,” died on June 29 at her home in Milford, a village southwest of London. She was 86.
Her family announced the death in a statement. The cause was cancer.
Ms. Keith played the middle-class social climber Margo Leadbetter in “The Good Life,” which ran from 1975 to 1978, and the downwardly mobile matron Audrey fforbes-Hamilton in “To the Manor Born,” which ran from 1979 to 1981.
The shows ranked among the most popular British sitcoms of their era, and Ms. Keith dominated both, with roles that explored the country’s complex class politics from different angles: Margo aspired to the finer things while living in a London suburb, while Audrey struggled to hold onto those finer things after losing her country manor after her husband’s death.
Ms. Keith won admirers for her ability to play arrogant characters with nuance and perfect comic timing while also imbuing them with heart and a degree of self-awareness.
Ms. Keith won a BAFTA TV Award, the British version of an Emmy, in 1977 for her work on “The Good Life”; the next year, she won another for her role as Sarah, the uptight sister of the title character in the televised version of Alan Ayckbourn’s “The Norman Conquests,” a trilogy of plays about the relationships between six characters over a weekend.
Onstage, Ms. Keith mastered an expansive range of roles that included Hester Collyer, the suicidal mistress in Terence Rattigan’s “The Deep Blue Sea” and the prostitute Kitty Warren in George Bernard Shaw’s “Mrs. Warren’s Profession.”
But at a time well before prestige TV, she insisted that her work in television comedy was not a step down.
“Situation comedy has become a pejorative phrase,” she told The Sunday Telegraph in 2001, “but in actual fact all great comedy is situation, be it Shakespeare, Shaw, Wilde or Coward.”
Because she played snooty characters on TV, with precise diction and perfect manners, people often assumed she had an elite upbringing. In fact, the truth was quite the opposite.
Penelope Anne Constance Hatfield was born on April 2, 1940, in Sutton, south of London. Her father, Frederick Hatfield, was an Army major who left for World War II before she was born and, despite surviving, never returned to the family.
Her mother, Constance (Nutting) Hatfield, struggled to raise Penelope on her own. She worked as a hotel maid and lived with her parents in Clacton-on-Sea, a coastal resort town.
Mrs. Hatfield remarried when Penelope was 8. Her new husband did not adopt Penelope, though she took his surname, Keith; he treated her harshly enough that she later refused to give his first name, or any other details about him, to interviewers.
At a convent boarding school, she discovered a love for theater and developed the fine-grained elocution and precise grammar that later gave her an upper-class sheen. She studied for two years at the Webber Douglas Academy of Dramatic Art (today part of the Royal Central School of Speech and Drama), and in 1963 joined the Royal Shakespeare Company.
For over a decade she played supporting roles onstage and small parts on television. She finally got her big break on “The Good Life.”
The show originally focused on a happy-go-lucky couple, Tom and Barbara Good (Richard Briers and Felicity Kendal), who live in the suburbs next to the prim Margo and her put-upon husband, Jerry (Paul Eddington). But audiences took so quickly to the Leadbetters, and to Margo in particular, that they soon became a central part of the show.
Ms. Keith had planned to return to the theater after “The Good Life,” but a chance encounter at a dinner party led to her leading role as Audrey in “To the Manor Born.” After the old-money Audrey sells her country manor to the nouveau riche grocery magnate Richard DeVere (played by Peter Bowles), the two fall into a love-hate, will-they-or-won’t-they situationship that kept viewers hooked for three seasons.
Ms. Keith married Rodney Timson, a police officer, in 1978; he later became her manager. They adopted twin boys, Stefan and Barnaby, in 1988. Mr. Timson and their sons survive her.
Soon after their marriage, the couple bought a 17th-century country house, called Mousehill (sometimes spelled Moushill) Manor, where Ms. Keith developed an interest in gardening and village life.
In 2014, she hosted “Penelope Keith’s Hidden Villages,” which celebrated small towns around England that were struggling with declining populations and economic competition from larger cities.
“One does tend to get this idea that it’s a load of old codgers tottering around, like me, with straw in their hair, but it’s not, a lot of them are thriving,” she told The Birmingham Mail that year. “I adore the fact that you know who people are and they smile and they might even say good morning, which you don’t get in cities.”