Bell is fluent in Persian and English. She is fond of motorcycling, skiing, snowboarding and kick-boxing, which she has been practicing for over 10 years. Her hobbies include cross-stitching and making model cars, which she has done since age 8.[4] She met actor/production assistant Adam Beason on the set of Death Becomes Her in 1992 (where she was the body-double for Isabella Rossellini), and they were married on May 8, 1994.[5] They have a daughter, Gemma, who was born on April 16, 2003 and a son Ronan born on August 21, 2010.[6]　　Bell was the grand marshal of the NASCAR Nextel Cup Series race at Dover International Speedway on June 3, 2007.[7]　　In a survey of 70 celebrities by The Sporting News just before the 2002 Super Bowl, she correctly predicted that the New England Patriots would beat the St. Louis Rams in Super Bowl XXXVI 20 to 17.[8] In actuality the article was written after the NFC and AFC championship games and Bell correctly guessed the score but the teams were already decided. [9]　　In August 2007, Bell and her husband put their Calabasas, California, home on the market for $3.25 million and moved to South Carolina.[10]　　During the Hollywood writers strike, Bell took flying lessons in a Cirrus SR22.[11]　　When she was in her 20s, she had thyroid cancer and had to have her thyroid removed. She does not cover the scar on her neck because she"thinks it's kind of cool".[12]

凯瑟琳·丽莎·贝尔，于1968年8月14日生于伦敦，演员，成名于她在执法悍将中扮演的莎拉。母亲米拉是位护士，父亲皮特·贝尔是一位建筑师。母亲是伊朗人，父亲是苏格兰人，她可流利的使用波斯语和英语。凯瑟琳本人爱好广泛，喜欢摩托车、滑雪、滑雪板和拳击，她为此练习了超过十年，八岁时就开始做十字绣和制作模型车。

1992年她结识了演员兼制片助理en:AdamBeason，他们1994年3月8号成婚，2003年他们有了女儿Gemma，2010年又有了儿子Ronan。