Deaths from dementia in California

Jo Raquel Welch (née Tejada; September 5, 1940 – February 15, 2023) was an American actress and model.

Stella Stevens (born Estelle Eggleston; October 1, 1938 – February 17, 2023) was an American actress. She began her acting career in 1959 and starred in such popular films as Girls! Girls! Girls! (1962), The Nutty Professor (1963), The Courtship of Eddie's Father (1963), The Silencers (1966), Where Angels Go, Trouble Follows (1968), The Ballad of Cable Hogue (1970), and The Poseidon Adventure (1972).

Delores Judith Taylor (September 27, 1932 – March 23, 2018) was an American film actress, writer, and producer, known for her roles in the Billy Jack films of the 1970s.

Katherine Marie Helmond (July 5, 1929 – February 23, 2019) was an American film, theater, and television actress and director. Over her five decades of television acting, she was known for her starring role as ditzy matriarch Jessica Tate on the sitcom Soap (1977–1981) and her co-starring role as feisty mother Mona Robinson on Who's the Boss? (1984–1992). She also played Doris Sherman on Coach and Lois Whelan (the mother of Debra Barone) on Everybody Loves Raymond. She also appeared as a guest on several talk and variety shows.

Sidney Poitier KBE ( PWAH-tyay; February 20, 1927 – January 6, 2022) was a Bahamian-American actor, film director, and diplomat. In 1963, he was the first Black actor and first Bahamian to win the Academy Award for Best Actor. He received two competitive Golden Globe Awards, a competitive British Academy of Film and Television Arts (BAFTA), and a Grammy Award for Best Spoken Word Album. Poitier was one of the last major stars from the Golden Age of Hollywood cinema.

Ronald Wilson Reagan ( RAY-gən; February 6, 1911 – June 5, 2004) was an American politician who served as the 40th president of the United States from 1981 to 1989 and became a highly influential voice of modern conservatism. Prior to his presidency, he was a Hollywood movie actor and union leader before serving as the 33rd governor of California from 1967 to 1975.

Charmian Carr (born Charmian Anne Farnon; December 27, 1942 – September 17, 2016) was an American actress and singer best known for her role as Liesl, the eldest Von Trapp daughter in the 1965 film version of The Sound of Music.

Peter Michael Falk (September 16, 1927 – June 23, 2011) was an American film and television actor. He is best known for his role as Lieutenant Columbo in the long-running television series Columbo (1968–1978, 1989–2003), for which he won four Primetime Emmy Awards (1972, 1975, 1976, 1990) and a Golden Globe Award (1973).

David Edwin Birney (April 23, 1939 – April 29, 2022) was an American actor and director whose career included performances in both contemporary and classical roles in theatre, film, and television. He was noted for his role in Bridget Loves Bernie, portraying an interfaith marriage with Meredith Baxter, whom he married after the series ended. He also portrayed Dr. Ben Samuels in St. Elsewhere from 1982 until 1983.

Oliver Burgess Meredith (November 16, 1907 – September 9, 1997) was an American actor, director, producer, and writer. Active for more than six decades, Meredith has been called "a virtuosic actor" and "one of the most accomplished actors of the century". A lifetime member of the Actors Studio by invitation, he won several Emmys, was the first male actor to win the Saturn Award for Best Supporting Actor twice, and was nominated for two Academy Awards.