Carol Higgins Clark is a USA American mystery author. She is also the daughter of author Mary Higgins Clark, with whom she has co-authored novels, and the former sister-in-law of author Mary Jane Clark. Born in New York City, Clark received her B.A. from Mount Holyoke College in 1978 and then studied acting at the Beverly Hills Playhouse. She is the author of the Regan Reilly mystery series. She has also acted in several films. Clark's New York apartment building, The Belaire, was hit by a small plane flown by New York Yankees pitcher Cory Lidle on October 11, 2006. Her 38th floor condominium was just a floor below the main impact zone. She was not injured in the accident. Carol Higgins Clark has appeared on the game show, To Tell The Truth. Carol died at the age of 66 on June 12, 2023 of appendix cancer.