Betty McGuire, a respected stage and screen actress known for her recurring role as Kate Malone on the ABC sitcom "Growing Pains," has passed away at the age of 100. Her death occurred at the Motion Picture & Television Country House and Hospital in Woodland Hills, California, where she had spent her final days. McGuire celebrated her centennial birthday in March 2026, marking a century of life that spanned a rich career in entertainment.

McGuire’s career was marked by versatility and longevity, with over 40 screen roles and notable appearances on stage. In addition to her television work, she gained recognition for her role as Sister Mary Quacker in the 1978 cult stoner comedy "Cheech and Chong’s Up in Smoke." During her run on "Growing Pains" from 1986 to 1991, she portrayed the mother of Joanna Kerns' character, Maggie Malone Seaver. McGuire also worked alongside actors such as Alan Thicke and Kirk Cameron, enriching the beloved family sitcom’s dynamic.

Her Broadway contributions in the 1950s positioned her with theatrical legends like Ethel Merman, Bea Arthur, and Tony Randall. Beyond Broadway, McGuire graced touring productions across the United States and internationally. On television, her extensive guest roles spanned popular series from the 1970s through the 2000s, including titles like "Hart to Hart," "Matlock," "Star Trek: Deep Space Nine," and "CSI: Miami," showcasing her enduring presence in the industry.

Betty McGuire’s filmography also includes roles in the conspiracy thriller "Coma" (1978), the horror movie "Wishmaster" (1997), and her final credited appearance in the 2009 romantic comedy "Play the Game," starring Andy Griffith and Doris Roberts. Her death marks the end of a distinguished career that traversed multiple decades and platforms, leaving behind a legacy of memorable performances and dedication to her craft.