Katherine Marie Helmond (born July 5, 1928, Galveston, Texas) is an American film, theater and television actress.
In 1984, she took the role of, “Mona Robinson,” on the sitcom Who's the Boss? with Judith Light, Alyssa Milano, Danny Pintauro, and Tony Danza. The show was a ratings success, running for eight seasons and finishing in the Nielsen "Top 10" four straight years.
From 1995–1997, she starred in the sitcom Coach as Doris Sherman, eccentric owner of the fictional Orlando Breakers professional football team.
From 1996 to 2004, Helmond had a recurring role on Everybody Loves Raymond, appearing in 14 episodes as “Lois Whelan” (Ray Barone's mother-in-law).
In 1987 she played Goldie Hawn's mother in Overboard.
In 1992 she portrayed Honor Zetterland, mother of the titular character in Inside Monkey Zetterland. Her character was an aging soap star who was being phased out of her own show on which she had starred for 30 years.
In 2003 she appeared in Beethoven's 5th.
She voiced the Model T “Lizzie” in Cars (in 2006).
She had also appeared in the 1975 television movie The Legend of Lizzie Borden as Emma Borden.
She was nominated for an Emmy for her role on Soap four times in a row (1978–1981) as Best Actress in a Comedy Series. In 1988 and 1989 she was nominated as Best Supporting Actress in a Comedy Series for her role on Who's the Boss?. In 2002 she was nominated as Guest Actress in a Comedy Series for her role in Everybody Loves Raymond.
In 1957, Helmond married George N. Martin. After their divorce she married her second husband, David Christian; the two have been together since 1962; they have no children. They have owned homes in Los Angeles, New York City, Long Island and London.